UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VcMtS8mOFJwmeEjfXEYrRnO8biqJBWljsUU2D1qqnYw=' 
WHERE 
  key_id = 'addf0082c97eba752613ca8055198d9c6ac25a187a0cf6b31817461c53206019' 
  AND (
    token = 'VcMtS8mOFJwmeEjfXEYrRnO8biqJBWljsUU2D1qqnYw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )