Service data refresh is timing out

[jsquaredz]

So I created a query in PowerBI Desktop.  The data source takes a while to return back the query response (Web request returning JSON), so I add this to the query string in Desktop;   [Timeout=#duration(0,0,30,0)]

This works great.  I never get timeouts with this setting in place and the data comes in eventually.

I published this data source and report to the Office 365 PowerBI  Pro Service, and set the autorefresh.  Unfortunately, I get an failure after some amount of time.  I do not believe that the Timeout parameter is being used in the Web version.  I am unable to edit the query in the service, but if I copy and paste it out, I see there is no Timeout parameter.  

Really need this to work.  My whole project hinges on this.