How to Auto renew the lock duration of Service bus queue message

Question

I am using latest version of .net sdk (Azure.Messaging.ServiceBus).

I want to renew the lock duration of the message since processing of messages takes more than 5 min so that other listeners/consumers to the client cant receive while one of the listner/consumer processing message. I have tried by setting MaxAutoLockRenewalDuration property , but it didnt work, after 5 min other consumer is consuming the message before compelting the current consumer.

Sample code which i have used

  var client =  CreateQueueClient("managedQueue");
        var proc = client.CreateProcessor("managedQueue", options: new ServiceBusProcessorOptions
        {
            MaxConcurrentCalls = 2,
            AutoCompleteMessages = false,
            ReceiveMode = ServiceBusReceiveMode.PeekLock,
            MaxAutoLockRenewalDuration = new TimeSpan(0,20,0), 
        }) ;
        proc.ProcessMessageAsync += MessageHandler;
        proc.ProcessErrorAsync += ErrorHandler;

Sample Callback Code

async Task MessageHandler(ProcessMessageEventArgs args)
    {
        try
        {
            string body = args.Message.Body.ToString();
            Console.WriteLine($"Received: {body}");
           
            await Task.Delay(480000);//8 min
              // complete the message. messages is deleted from the queue. 
            await args.CompleteMessageAsync(args.Message);
        }
        catch(Exception ex)
        {
            Console.WriteLine("Exception In Handler:"+ex);
        }
       
    }

Can you please any one help me regarding this auto renew the lock duration of the message.

Thanks