I have regular Allen key skewers similar to these: (Sunlite 5mm Hex skewer)
Sunlite 5mm Hex Skewer Set - Silver
and I have a Kryptonite lock similar to this but I mean, mine is really old now and the plastic already started cracking. Although I haven't done touring with it, I've never had a bicycle stolen with it yet. (Kryptonite 6ft x 15mm)
Kryptonite Krypto Flex 1518 Key Lock - 15mm x 6 ft., with Bracket