A Database Error Occurred

Error Number: 1064

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 ') AND is_block=0 AND is_arhiv=0 AND is_lider=1 ORDER BY RAND()' at line 3

SELECT * FROM (`product`) WHERE () AND is_block=0 AND is_arhiv=0 AND is_lider=1 ORDER BY RAND()