UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lNJ0BwlqrPXsn31VGz6+30xX4G1NnuT0zrBlXLw1O4o=' 
WHERE 
  key_id = '8ae30fc23403075b27e8c655a24fde98875880509f216a26f09b28cf02109552' 
  AND (
    token = 'lNJ0BwlqrPXsn31VGz6+30xX4G1NnuT0zrBlXLw1O4o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )