use cache locks

feeds/tasks.py

@@ -1,9 +1,9 @@
 import traceback
 
 import sentry_sdk
-from celery.exceptions import Reject
 from celery_once import QueueOnce
 from django.utils import timezone
+from django.core.cache import cache
 from telebot import TeleBot
 from djconfig import config
 
@@ -14,7 +14,7 @@ from config.celery import app
 def check_feeds():
     from feeds.models import Feed
 
-    feeds = Feed.objects.filter(lock=False)
+    feeds = Feed.objects.all()
     enqueued = []
     for feed in feeds:
         if feed.run_check():
@@ -47,5 +47,4 @@ def execute_feed(feed_pk):
             traceback.print_exc()
         finally:
             if feed:
-                feed.lock = False
-                feed.save()
+                cache.delete(feed.lock_key)