UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '52HZnclvOzah9LyBslYgjcckr45tuayR5ONQuqziJfA=' 
WHERE 
  key_id = '91c51bbcb127777138a42d16cdf3233fbab117f391cc6084176e2532b628c70d' 
  AND (
    token = '52HZnclvOzah9LyBslYgjcckr45tuayR5ONQuqziJfA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )