I just checked on some guns that were put away 2 years ago.
Ballistol and Breakfree CLP were used to lube, placed in a Sack-Up and stuck in a safe sitting in a warehouse setting.
It gets really cold and really hot in this setting.
Also in this setting are a few guns that are hidden, these have not been messed with in best recall 4 months.
No rust. Guns just taken out back and all the guns run, all the magazines left all this time fed ammo, and all the ammo went bang.
No surprise to me/us.
Too many guns for too many decades before I was born survived being stored, carried, and even loaded using whatever lubricant was handy back in the day.
One revolver, and one 1911, lubed with Sperm Whale Oil internally and a very light coat of RIG sat in a back bedroom dresser drawer for about 12 years.
Taken out back, they fired, no rust.
Couple knew they were there, they put them there.
Just "in case" guns if matters ever come to them being back there if trouble showed up.
Just use something and don't worry about it...