I'm guessing phones would be fudged, so I'd just drink as much wine as I could and chain smoke before it came. In other words, try to keep a modicum of normality until The End.
Its 18 yo, bottled in Scotland, but ive had it since 1987, i know they dont age once bottled. 25 yo was the best one i could have gotten on the day but it was alot more than i could afford.