UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jDVwDBeQowNJfAtZAFXlffd0izC7nQ+hG77YvOpL58s=' 
WHERE 
  key_id = '3768da46a75596041d3836c7e4fdca8b155083a1d26e6a7ea9c891db56418743' 
  AND (
    token = 'jDVwDBeQowNJfAtZAFXlffd0izC7nQ+hG77YvOpL58s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )