UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j2sGMhP07FWrDWL8OO0lbhOGVI0ledCWBjzcYQq1YXY=' 
WHERE 
  key_id = '6d7e24e38193f481995c82e8505e4a0ba61af21bab259ee23e827a7f41313de6' 
  AND (
    token = 'j2sGMhP07FWrDWL8OO0lbhOGVI0ledCWBjzcYQq1YXY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )