This is a bit above my paygrade but I think this type of transaction doesn't depend on any state, so you can expect it to succeed even if it gets mined a few da

This is a bit above my paygrade but I think this type of transaction doesn't depend on any state, so you can expect it to succeed even if it gets mined a few days after you submit it? If so you could just set the gas price to 50 gwei and wait.