How do get them?
I have looked about no clear answer 
Edited incorrect info
More info can be found on the old forums.
http://forums-archive.ageofconan.com/showthread.php?188556-Gilding-Tokens
Gilding tokens can be obtained through the item shop, every hoard gives you two gilding tokens.
I’m not aware of any gilding tokens being awarded for world bosses but I might be out of the loop as I have not done a world boss in so long.
You also get them from daily login reward caches as well as rewards themself (but very rare).
you can also get a few with the “normal” daily login rewards and randomly from the Exemplar’s or Paragon’s Caches.
The nonrepeatable versions of the Halloween quests also give you a few gilding tokens, IIRC.
yes you are right.
Correct. World bosses do not give gilding tokens.
I need help with that gilding tokens. I purchased 5 boxes “Hoard of the silent legion” from item shop and I didn’t get any of them. AndyB, please, help.
You need to open the boxes by clicking on them.