When should I replace the timing chain on my VW Golf?

I have a 2015 VW Golf R with 60k miles. When do you think I should consider replacing the timing chain please?

Does a timing belt need to be changed every five years?

The handbook for my Fiat 500 says that the timing belt should be replaced after 72,000 miles or every 5 years regardless of mileage. Since the belt was last replaced 5 years ago the car has only done 8000...