local function put (key, value, lock_id, lifetime_milliseconds, idle_timeout_milliseconds)
    local result = insert(key, value, lock_id, lifetime_milliseconds, idle_timeout_milliseconds, {})
    if contains_value(result, "already_exists") then
        return update(key, value, lock_id, lifetime_milliseconds, idle_timeout_milliseconds, {})
    end

    return result
end

return scriptResult(put(KEYS[1], ARGV[3], ARGV[4], parseOptionalNumber(ARGV[5]), parseOptionalNumber(ARGV[6])))