UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GdBJIYEBY6W40HnxRsYmrrRw2dJ+xhrzTpfnoKD+klo=' 
WHERE 
  key_id = '968b9b5350fed5621668c33b42cfdd254c3f320ebb0e4d994cd57410152cc2bf' 
  AND (
    token = 'GdBJIYEBY6W40HnxRsYmrrRw2dJ+xhrzTpfnoKD+klo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )