Premium Membership in Age of Conan comes with a ton of great perks and benefits to your subscription. One of these is "Bonus Token Gain. There is some confusion about where this token gain applies.
When do we get Bonus Token Gain?
Caches and Chests are specifically mentioned as exceptions to this bonus. The intent of this bonus is to increase your rewards for completing content in the game. All tokens gained except for special cases like item shop purchases and token trades on vendors provide the bonus.
The full details of the membership information can be found here.