waiting not happening?

[waxen palm]

local coolDown = 2
local lastAction = 0
local canZoom = script:WaitForChild("canZoom")--naturally true
local function lastPressed(input)
    if tick() - lastAction < coolDown then
        canZoom.Value = false
        task.wait(coolDown - (tick() - lastAction))
        canZoom.Value = true
    else
        canZoom.Value = true
        return
    end
    print(canZoom)
    lastAction = tick()
end

--Pressed
local function camera_Zoom(input: InputObject, gpe: boolean)
    if gpe then return end
    if input.KeyCode == Enum.KeyCode.G and canZoom.Value then
        isZoomed.Value = true
        lastPressed(input)
        interpolateCamera()
    end
end

i can spam click and theres 0 delay