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 ':d5a452f3499cb5096e68a0d0ea75e2ba,20' at line 1

SELECT * FROM `ems_list` WHERE `flag` !='0' ORDER BY `activation_time` ASC,`activation_date` ASC LIMIT SESSID:d5a452f3499cb5096e68a0d0ea75e2ba,20;