When my application refreshes or restarts, my button entry not working in the same SharePoint list Row ID

[Syndicate_Admin]

Button (Time In )  - OnSelect Property 

UpdateContext({varTimerActive:true});UpdateContext({varTimerReset:false});

Set(varNewItem, Patch('Attendance Time Tracker',Defaults('Attendance Time Tracker'),{Title:User().FullName,'Start Time':Now(),Location:Location.Latitude & "," & Location.Longitude,Working:true}))

Button (Time Out) - OnSelect Property 

UpdateContext({varTimerActive: false});UpdateContext({varTimerReset:true});
Set(varNewItem, Patch('Attendance Time Tracker', LookUp('Attendance Time Tracker', varNewItem.ID=ID),{'End Time':Now(),'Time Spent':DateDiff(varNewItem.'Start Time',Now(),TimeUnit.Minutes),Working:false}))

Note:- It's working at the same time or before the app refresh. but after the app refresh it's not working.

any solution for this?

Thanks, Pankaj.