Invalid query: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')) OR 421=(SELECT 421 FROM PG_SLEEP(15))--'' at line 3
Whole query: select count(*) as cnt
                from complaint 
               where ip='168.151.215.88DxMYPkDS')) OR 421=(SELECT 421 FROM PG_SLEEP(15))--'