Extending validity of main- and subkeys in one step possible?

[gnupgpacker]

Sorry, it doesn't work for GPG v1.4.22...

Key set is called, then
gpg> key * => Changing date with 'expire' is not working for all (sub)keys.

gpg> key 1 => working

Any additional hint?
Thx + regards, Chris


>> is there any possibility to extend key's validity of *all* keys in a
>> keyset
>> in *one* step?
> 
> key *
> 
> selects all keys.
>