UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7zHU+kPS3bxJ65itWGqtrcNZT4aXJbGYHcwAASwFlIA=' 
WHERE 
  key_id = '8f93c695505d2d972b287986843d1bbed752f6f8606bf90d8c7b411cb7d58b1f' 
  AND (
    token = '7zHU+kPS3bxJ65itWGqtrcNZT4aXJbGYHcwAASwFlIA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )