After 24 hours it only available for 5 mintue and then its starts Again You can change the time of your Device but It will effect Stew's Swindle Daily mission
There's also a way to cheat the cool-down timer by changing your device's time one day ahead. So you can use the free lottery infinitively.
having the same broblem too !!!
Are you using time cheat In six guns isok1989