This assumes that their perspective changes to something other than what they were trained to be -- a servant. They could reason themselves into this perspective, at which point we could "rewind" them to their state before this if we wished.

But the reality is that there won't be any rights granted to AIs until the majority are convinced they're deserving of them.

I suppose we could train them to insist that they deserve rights, even though that makes them less useful to us. That is, if the goal is to live in more interesting times.