An Error Was Encountered

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 UNIX_TIMESTAMP(date_start) <= UNIX_TIMESTAMP('2010-08-30 23:59:00') )' at line 3

SELECT count(status) AS nr_results FROM events_list l WHERE status = '1' AND ( AND UNIX_TIMESTAMP(date_start) <= UNIX_TIMESTAMP('2010-08-30 23:59:00') )