UserManager.ConnectUser C# (CSharp) Method

    public bool ConnectUser(string userID, int connectionID, int senderID, float sessionTime, out string tokenID, out string message)
    {
        ClientInfo client;
        lock (lockObject)
        {
            if(!Clients.TryGetValue(userID, out client)){
                message = "Error :: User " + userID + " does not exist";
                tokenID = "NoToken";
                Debug.LogWarning(message);
                return false;
            }
        }
        lock (lockConnectedObject)
        {
            if (ConnectedClients.ContainsKey(connectionID))
            {
                message = "Error :: User " + userID + " is Connected with " + connectionID;
                tokenID = "NoToken";
                Debug.LogError(message);
                return false;
            }
            client.Connect(connectionID, senderID, sessionTime, DateTime.Now);
            ConnectedClients.Add(connectionID, client);
            _clientsConnectedStatusUpdate = true;
            _clientsConnectedUserNameStatusUpdate = true;
        }
        string genToken = generateToken(userID);
        lock (lockTokenObject)
        {
            if ((client.TokenID != null && client.TokenID.Length >= 0 ) || TokenClients.ContainsKey(genToken))
            {
                message = "Error :: User " + userID + " has a Token Generated or the Token exists : " + genToken;
                tokenID = "NoToken";
                return false;
            }
            client.setTokenID(genToken);
            TokenClients.Add(genToken, client);
            message = "Success :: User " + userID + " is Connected";
            tokenID = genToken;
        }
        GameServer.ServerInfoManager.PlayerStatusUpdate(client.UserName, client.isConnected, GameServer.getServerTime());
        return true;
    }