UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9WMEpXbFqqjWzKbY5tgaWCEq+XZ/uPWfN4XMwmHes9I=' 
WHERE 
  key_id = 'df5c4f8610104697f4498d7857807731588f7f96af039a172aec23a9fbfac7c9' 
  AND (
    token = '9WMEpXbFqqjWzKbY5tgaWCEq+XZ/uPWfN4XMwmHes9I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )