QUERY PLAN
Update on tbl_unread_comments (cost=0.42..21.84 rows=4 width=25)
-> Index Scan using tbl_unread_comments_pkey on tbl_unread_comments (cost=0.42..21.84 rows=4 width=25)
Index Cond: (id = ANY ('{228795,228906,228911,228796}'::integer[]))