UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ob4ymOmWtAd2xohUYemU8mLwPzRkVhuQ2Jw6Cp7EkWo=' 
WHERE 
  key_id = '00958d53243efc7521434653d336a0af01512668bd52e5c4af7b449bf8170283' 
  AND (
    token = 'Ob4ymOmWtAd2xohUYemU8mLwPzRkVhuQ2Jw6Cp7EkWo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )