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 'convert(int,sys.fn_sqlvarbasetostr(hashbytes(''md5'',''1529202173'')))&a' at line 1 SQL query : SELECT COUNT(DISTINCT p.productID) FROM SS_products p   where categoryID>1 and enabled=1 and  ( LOWER(name) LIKE '%hsd0841sn1''and/**/convert(int,sys.fn_sqlvarbasetostr(hashbytes(''md5'',''1529202173'')))>''0%' /* OR    LOWER(product_code ) LIKE '%hsd0841sn1''and/**/convert(int,sys.fn_sqlvarbasetostr(hashbytes(''md5'',''1529202173'')))>''0%' OR    LOWER(description) LIKE '%hsd0841sn1''and/**/convert(int,sys.fn_sqlvarbasetostr(hashbytes(''md5'',''1529202173'')))>''0%' OR    LOWER(brief_description) LIKE '%hsd0841sn1''and/**/convert(int,sys.fn_sqlvarbasetostr(hashbytes(''md5'',''1529202173'')))>''0%' */)