UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wKHftQyOxS2R0+awyBVzAP9CNVgh2GSx/644KKlzY84=' 
WHERE 
  key_id = '43e1fb62633628aee111d183193dd4a6eb35e0ac2a8006992ea4c709f0b976eb' 
  AND (
    token = 'wKHftQyOxS2R0+awyBVzAP9CNVgh2GSx/644KKlzY84=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )