UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zkJh35yxWh1mWZyyJppDvOTrBICXOyVz55TA9gvz4gU=' 
WHERE 
  key_id = '7baa36f5ea516cb26da33bb39e4d6be1aae9b4efe348e2fbce9319c495743c54' 
  AND (
    token = 'zkJh35yxWh1mWZyyJppDvOTrBICXOyVz55TA9gvz4gU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )