UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wpdFpYPZMdqRKCyO41HqDsIytayj/lGticao52nP+k8=' 
WHERE 
  key_id = '1c32c45b56c731757a9903452c5fbefbe40ced665f39b1cc3e54cd9a9706c458' 
  AND (
    token = 'wpdFpYPZMdqRKCyO41HqDsIytayj/lGticao52nP+k8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )