UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RfLcZZKOY9zCOQJTzsF643MWhzoEzNZgZ6WWToKwdOI=' 
WHERE 
  key_id = '250810f64bc929426958e1cb3b9bc094c87ff617c7d705511c10f02e4c4abfcb' 
  AND (
    token = 'RfLcZZKOY9zCOQJTzsF643MWhzoEzNZgZ6WWToKwdOI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )