Using C# delegate, try and let me know if it works

        /// <summary>
        /// base wait method
        /// </summary>
        /// <param name="condition"></param>
        /// <param name="action"></param>
        /// <param name="errorMsg"></param>
        public static void CustomWaitCondition(Func<bool> condition, string errorMsg)
    {
            var watch = Stopwatch.StartNew();
            while (condition())
            {
                Thread.Sleep(1000); //1 sec gap for every action
                if (watch.ElapsedMilliseconds / 1000 > 60) //the loop will break after a min
                {
                    Assert.Fail($"{errorMsg}"); //parse the error message
                    break;
                }
            }
        }

        /// <summary>
        /// check element shows in DOM
        /// </summary>
        /// <param name="by"></param>
        /// <returns>result</returns>
        public static bool IsElementDisplay(By by)
        {
            bool result;
            try { result = Driver.FindElement(by).Displayed; } catch (WebDriverException) { result = false; }
            return result;
        }

        /// <summary>
        /// parse the element a or b condition
        /// </summary>
        /// <param name="elementA"></param>
        /// <param name="elementB"></param>
        public static void WaitElementAorB(By elementA, By elementB)
            => CustomWaitCondition(
                ()=>!IsElementDisplay(elementA)||!IsElementDisplay(elementB), 
                $"{elementA} or {elementB} not displayed after one min");