UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1RnPWSYsGg9dQHIjtXF3ce0ZEhDHh/ipwy7g94pbj4Y=' 
WHERE 
  key_id = '2f27c3182aa683c15819cfd50d930049209a35fb45d1ae054ee97eafe2d11f47' 
  AND (
    token = '1RnPWSYsGg9dQHIjtXF3ce0ZEhDHh/ipwy7g94pbj4Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )