UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KlAWsZuHteCNpimtHlkQkYP/o+FBYZ9LrrZTarYLb7E=' 
WHERE 
  key_id = '2b38819412f6abd7d8fbf0e4b03b6943d6a3fca90ab5f875cb208d96322460a4' 
  AND (
    token = 'KlAWsZuHteCNpimtHlkQkYP/o+FBYZ9LrrZTarYLb7E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )