QUERY PLAN
Update on tbl_unread_comments (cost=0.42..17.35 rows=3 width=26)
-> Index Scan using tbl_unread_comments_pkey on tbl_unread_comments (cost=0.42..17.35 rows=3 width=26)
Index Cond: (id = ANY ('{263388,263363,263351}'::integer[]))