Mobil gives properly sealed aviation oil a shelf life of 15 years. This is important in the industry, as lives could (and do) depend on it. So if mobil will put their name on a 15 year shelf life for an oil keeping a turbine spinning, i'll bet money it'll last 30 years.
Mobil Jet Oil 254 may be stored for 15 years
BTW, it spent a million years underground. 2 years in a bottle is nothing.
2003 Jetta Wagon TDI 145,000MI
1999.5 Jetta TDI 287,000MI
2001 Suzuki SV650S 26,000MI
2008 Yamaha Vino 125 11,000MI