SELECT fldid, username, position, last_seen, DATE_FORMAT(last_seen, "%H:%i:%s") viewLastSeen, (UNIX_TIMESTAMP("2016-02-29 10-14-03")-UNIX_TIMESTAMP(last_seen)) idle, "2016-02-29-10-14-03" now, online, access_comp
FROM (`tbl_usermaster`)
WHERE `online` =  1
AND `last_seen` > '2016-02-29 09-44-03'
ORDER BY `last_seen` DESC