diff --git a/src/job_queue/scheduler.rs b/src/job_queue/scheduler.rs
index 5feef77..a19caa3 100644
--- a/src/job_queue/scheduler.rs
+++ b/src/job_queue/scheduler.rs
@@ -20,16 +20,16 @@ use crate::ethereum::subscriptions::{
 use crate::monero::subscriptions::check_monero_subscriptions;
 
 #[derive(Debug, Eq, Hash, PartialEq)]
-enum Task {
+enum PeriodicTask {
     NftMonitor,
     EthereumSubscriptionMonitor,
     SubscriptionExpirationMonitor,
     MoneroPaymentMonitor,
-    IncomingActivityQueue,
-    OutgoingActivityQueue,
+    IncomingActivityQueueExecutor,
+    OutgoingActivityQueueExecutor,
 }
 
-impl Task {
+impl PeriodicTask {
     /// Returns task period (in seconds)
     fn period(&self) -> i64 {
         match self {
@@ -37,23 +37,23 @@ impl Task {
             Self::EthereumSubscriptionMonitor => 300,
             Self::SubscriptionExpirationMonitor => 300,
             Self::MoneroPaymentMonitor => 30,
-            Self::IncomingActivityQueue => 5,
-            Self::OutgoingActivityQueue => 5,
+            Self::IncomingActivityQueueExecutor => 5,
+            Self::OutgoingActivityQueueExecutor => 5,
+        }
+    }
+
+    fn is_ready(&self, last_run: &Option<DateTime<Utc>>) -> bool {
+        match last_run {
+            Some(last_run) => {
+                let time_passed = Utc::now() - *last_run;
+                time_passed.num_seconds() >= self.period()
+            },
+            None => true,
         }
     }
 }
 
-fn is_task_ready(last_run: &Option<DateTime<Utc>>, period: i64) -> bool {
-    match last_run {
-        Some(last_run) => {
-            let time_passed = Utc::now() - *last_run;
-            time_passed.num_seconds() >= period
-        },
-        None => true,
-    }
-}
-
-async fn nft_monitor_task(
+async fn nft_monitor(
     maybe_blockchain: Option<&mut Blockchain>,
     db_pool: &DbPool,
     token_waitlist_map: &mut HashMap<Uuid, DateTime<Utc>>,
@@ -76,7 +76,7 @@ async fn nft_monitor_task(
     Ok(())
 }
 
-async fn ethereum_subscription_monitor_task(
+async fn ethereum_subscription_monitor(
     instance: &Instance,
     maybe_blockchain: Option<&mut Blockchain>,
     db_pool: &DbPool,
@@ -99,7 +99,18 @@ async fn ethereum_subscription_monitor_task(
     ).await.map_err(Error::from)
 }
 
-async fn monero_payment_monitor_task(
+async fn subscription_expiration_monitor(
+    config: &Config,
+    db_pool: &DbPool,
+) -> Result<(), Error> {
+    update_expired_subscriptions(
+        &config.instance(),
+        db_pool,
+    ).await?;
+    Ok(())
+}
+
+async fn monero_payment_monitor(
     config: &Config,
     db_pool: &DbPool,
 ) -> Result<(), Error> {
@@ -117,21 +128,21 @@ async fn monero_payment_monitor_task(
     Ok(())
 }
 
-async fn incoming_activity_queue_task(
+async fn incoming_activity_queue_executor(
     config: &Config,
     db_pool: &DbPool,
 ) -> Result<(), Error> {
     let db_client = &mut **get_database_client(db_pool).await?;
     let duration_max = Duration::from_secs(600);
-    let task_completed = process_queued_incoming_activities(config, db_client);
-    match tokio::time::timeout(duration_max, task_completed).await {
+    let completed = process_queued_incoming_activities(config, db_client);
+    match tokio::time::timeout(duration_max, completed).await {
         Ok(result) => result?,
-        Err(_) => log::error!("task timeout: IncomingActivityQueue"),
+        Err(_) => log::error!("incoming activity queue executor timeout"),
     };
     Ok(())
 }
 
-async fn outgoing_activity_queue_task(
+async fn outgoing_activity_queue_executor(
     config: &Config,
     db_pool: &DbPool,
 ) -> Result<(), Error> {
@@ -146,12 +157,12 @@ pub fn run(
 ) -> () {
     tokio::spawn(async move {
         let mut scheduler_state = HashMap::from([
-            (Task::NftMonitor, None),
-            (Task::EthereumSubscriptionMonitor, None),
-            (Task::SubscriptionExpirationMonitor, None),
-            (Task::MoneroPaymentMonitor, None),
-            (Task::IncomingActivityQueue, None),
-            (Task::OutgoingActivityQueue, None),
+            (PeriodicTask::NftMonitor, None),
+            (PeriodicTask::EthereumSubscriptionMonitor, None),
+            (PeriodicTask::SubscriptionExpirationMonitor, None),
+            (PeriodicTask::MoneroPaymentMonitor, None),
+            (PeriodicTask::IncomingActivityQueueExecutor, None),
+            (PeriodicTask::OutgoingActivityQueueExecutor, None),
         ]);
 
         let mut interval = tokio::time::interval(Duration::from_secs(5));
@@ -160,38 +171,35 @@ pub fn run(
             interval.tick().await;
 
             for (task, last_run) in scheduler_state.iter_mut() {
-                if !is_task_ready(last_run, task.period()) {
+                if !task.is_ready(last_run) {
                     continue;
                 };
                 let task_result = match task {
-                    Task::NftMonitor => {
-                        nft_monitor_task(
+                    PeriodicTask::NftMonitor => {
+                        nft_monitor(
                             maybe_blockchain.as_mut(),
                             &db_pool,
                             &mut token_waitlist_map,
                         ).await
                     },
-                    Task::EthereumSubscriptionMonitor => {
-                        ethereum_subscription_monitor_task(
+                    PeriodicTask::EthereumSubscriptionMonitor => {
+                        ethereum_subscription_monitor(
                             &config.instance(),
                             maybe_blockchain.as_mut(),
                             &db_pool,
                         ).await
                     },
-                    Task::SubscriptionExpirationMonitor => {
-                        update_expired_subscriptions(
-                            &config.instance(),
-                            &db_pool,
-                        ).await.map_err(Error::from)
+                    PeriodicTask::SubscriptionExpirationMonitor => {
+                        subscription_expiration_monitor(&config, &db_pool).await
                     },
-                    Task::MoneroPaymentMonitor => {
-                        monero_payment_monitor_task(&config, &db_pool).await
+                    PeriodicTask::MoneroPaymentMonitor => {
+                        monero_payment_monitor(&config, &db_pool).await
                     },
-                    Task::IncomingActivityQueue => {
-                        incoming_activity_queue_task(&config, &db_pool).await
+                    PeriodicTask::IncomingActivityQueueExecutor => {
+                        incoming_activity_queue_executor(&config, &db_pool).await
                     },
-                    Task::OutgoingActivityQueue => {
-                        outgoing_activity_queue_task(&config, &db_pool).await
+                    PeriodicTask::OutgoingActivityQueueExecutor => {
+                        outgoing_activity_queue_executor(&config, &db_pool).await
                     },
                 };
                 task_result.unwrap_or_else(|err| {