Global class Item Adjustments?

[Maceblade]

I dont know if this is even possible, but I want to reduce the delay of knight ONLY useable weapons and berserker knight only useable weapons.

I know its rather limiting and possibly not even doable, but I dont want to reduce the delay of weapons that any other class can use...

For instance, I dont want a 1hs's delay reduced that a warrior and pally can both use, or a 2 hs that a zerker pally sk and war can use... Is this possible?

UPDATE items SET delay = delay * .5 WHERE class = paladin and class = shadowknight

Im pretty sure that would do exactly what I dont want to happen... Is there a way to do what im asking without having to change them one by one?