Could I obtain multi resource by one lock?

[sunkuo]

Hey, Antirez! Would it be better if i can obtain multi resource by one lock .
Think about this use case :
In a shopping application , when a user place order with multi skus and count, it is a good idea to use Redlock to lock the skus and judge is there enough inventory to sell.

[sunkuo]

I think it is realizable with the command Msetnx and del