MySQL Error Occurred

Error Message:
1064: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ') AND instock=1 ORDER BY `usa_imported` DESC,`productId` DESC LIMIT 0, 15' at line 1

SQL:
SELECT * FROM cubecart_inventory WHERE ( ) AND instock=1 ORDER BY `usa_imported` DESC,`productId` DESC