UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RCDjf6q/k6luwzqcSFfs6PH2PRKo28DMg2cAltCVCvU=' 
WHERE 
  key_id = '4cd00a80b7d0a616c1afe9b74e63f69e0bab7c71d1c0406faaefa0314ad26355' 
  AND (
    token = 'RCDjf6q/k6luwzqcSFfs6PH2PRKo28DMg2cAltCVCvU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )