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 '1%' OR    LOWER(description) LIKE '%aa1b429as/5-b''/**/and/**/sleep(3)/**/and/**' at line 1 SQL query : SELECT COUNT(DISTINCT p.productID) FROM SS_products p   where categoryID>1 and enabled=1 and  ( LOWER(name) LIKE '%aa1b429as/5-b''/**/and/**/sleep(3)/**/and/**/''1%' /* OR    LOWER(product_code ) LIKE '%aa1b429as/5-b''/**/and/**/sleep(3)/**/and/**/''1%' OR    LOWER(description) LIKE '%aa1b429as/5-b''/**/and/**/sleep(3)/**/and/**/''1%' OR    LOWER(brief_description) LIKE '%aa1b429as/5-b''/**/and/**/sleep(3)/**/and/**/''1%' */)