diff --git a/cms/envs/aws.py b/cms/envs/aws.py
index 1c97d6b765..b76a049300 100644
--- a/cms/envs/aws.py
+++ b/cms/envs/aws.py
@@ -363,6 +363,9 @@ BROKER_URL = "{0}://{1}:{2}@{3}/{4}".format(CELERY_BROKER_TRANSPORT,
                                             CELERY_BROKER_VHOST)
 BROKER_USE_SSL = ENV_TOKENS.get('CELERY_BROKER_USE_SSL', False)
 
+# Message expiry time in seconds
+CELERY_EVENT_QUEUE_TTL = ENV_TOKENS.get('CELERY_EVENT_QUEUE_TTL', None)
+
 # Allow CELERY_QUEUES to be overwritten by ENV_TOKENS,
 ENV_CELERY_QUEUES = ENV_TOKENS.get('CELERY_QUEUES', None)
 if ENV_CELERY_QUEUES:
diff --git a/lms/envs/aws.py b/lms/envs/aws.py
index 4d7e52e541..0ed14eda75 100644
--- a/lms/envs/aws.py
+++ b/lms/envs/aws.py
@@ -262,6 +262,9 @@ BULK_EMAIL_ROUTING_KEY_SMALL_JOBS = ENV_TOKENS.get('BULK_EMAIL_ROUTING_KEY_SMALL
 # Queue to use for updating persistent grades
 RECALCULATE_GRADES_ROUTING_KEY = ENV_TOKENS.get('RECALCULATE_GRADES_ROUTING_KEY', LOW_PRIORITY_QUEUE)
 
+# Message expiry time in seconds
+CELERY_EVENT_QUEUE_TTL = ENV_TOKENS.get('CELERY_EVENT_QUEUE_TTL', None)
+
 # Allow CELERY_QUEUES to be overwritten by ENV_TOKENS,
 ENV_CELERY_QUEUES = ENV_TOKENS.get('CELERY_QUEUES', None)
 if ENV_CELERY_QUEUES: