It gives me 500 everytime i type to Text how to i make this one time only?

local plr = game.Players.LocalPlayer
local Reward = script.Parent.Parent.Reward
local clicked = false
local codetable = {
    code1 = "Release" or "release",
    code2 = "Welcome" or "welcome",
}
local rewardtable = {
    code1 = 500,
    code2 = 5
}

script.Parent.MouseButton1Click:Connect(function()
        if script.Parent.Parent.CodeHandle.Text == codetable.code1 and clicked == false then
            clicked = true
            plr.leaderstats.Clicks.Value = plr.leaderstats.Clicks.Value +rewardtable.code1
            plr.boolvalstats.Release.Value = true
            Reward.Text = "Congratulations! You got a " ..rewardtable.code1
            Reward.Visible = true
            wait(1.5)
            Reward.Visible = false
            Reward.Text = "Congratulations! You got a..."
        elseif plr.boolvalstats.Release.Value == true then
            script.Parent.Parent.CodeHandle.Text = "Code Has Already Been Reedeemed"
            clicked = false
            wait(1.5)
            script.Parent.Parent.CodeHandle.Text = "Enter Code"
        else
            script.Parent.Parent.CodeHandle.Text = "Code is Valid Please Try Again"
            clicked = false
            wait(1.5)
            script.Parent.Parent.CodeHandle.Text = "Enter Code"
    end
end)