UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '19hDbW+rH+JDX2iiItjSd8VZF5S5+qS04zLV3Ow4TiA=' 
WHERE 
  key_id = '23358960e6bff7427f48f19be96be1dd574f2bda429639d682732757f5c52449' 
  AND (
    token = '19hDbW+rH+JDX2iiItjSd8VZF5S5+qS04zLV3Ow4TiA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )