QUERY PLAN
Update on tbl_unread_comments (cost=0.00..6082.61 rows=1 width=26)
-> Seq Scan on tbl_unread_comments (cost=0.00..6082.61 rows=1 width=26)
Filter: (((object_type)::text = '101'::text) AND (object_id = 1585) AND (remind_user_id = 5064))