SELECT (@count:=@count+1) AS 'SN', ID, tc.USERNAME, RAD_USERNAME, CONCAT(firstname, ' ', lastname) AS 'FULLNAME', mobile, 
                    email, staticipcpe, expiration, IS_ENABLED, enableuser, rs.srvid, srvname 
                FROM tblclients tc
                LEFT JOIN rm_users ru ON tc.RAD_USERNAME = ru.username
                LEFT JOIN rm_services rs ON ru.srvid = rs.srvid WHERE 1  AND DATEDIFF(expiration,NOW()) BETWEEN 0 AND 1 ORDER BY SN asc LIMIT 0, 50
UYT: -1|1|1|
SELECT (@count:=@count+1) AS 'SN', ID, tc.USERNAME, RAD_USERNAME, CONCAT(firstname, ' ', lastname) AS 'FULLNAME', mobile, 
                    email, staticipcpe, expiration, IS_ENABLED, enableuser, rs.srvid, srvname 
                FROM tblclients tc
                LEFT JOIN rm_users ru ON tc.RAD_USERNAME = ru.username
                LEFT JOIN rm_services rs ON ru.srvid = rs.srvid WHERE 1  AND DATEDIFF(expiration,NOW()) BETWEEN 0 AND 1 ORDER BY SN asc LIMIT 0, 50
