Earlier quoted context omitted.
... if the only problem with the acts in question was that they were homosexual.
Then go through all the convictions and look at it at a case-by-case basis. The details on the age of the people involved should be written down. Or is justice too expensive?
Revisiting the convictions case-by-case is obviously the correct thing to do. If it's "too expensive", see about raising money for it.