UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MxqlEf/UxrKKQHkcjMOTXQs3VuVdhYpVuHYFurPW1Ow=' 
WHERE 
  key_id = '844bb0dad1173060a30730b43aed6cbf349b043fbe1261d0ab1f860b72123acd' 
  AND (
    token = 'MxqlEf/UxrKKQHkcjMOTXQs3VuVdhYpVuHYFurPW1Ow=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )