error CS1525: Unexpected symbol `&&' How do I correct this error

I am trying to access an script. I have an error on line (22,30) and 17. Here is my script.

using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UI;

public class Game : MonoBehaviour {
private scoreManager scoreManagerScript;
private myClock MyClockScript;

 void Awake () 
 {
     scoreManager = GetComponent<ScoreManagerScript>();
     myClock = GetComponent<MyClockScript>();
   }

 void Update () 
 {
    if ((myClock != NULL) && (scoreManager != NULL))
	{
		
		
	}
      if ((m_leftTime >= &&  < scoreManager.score))
     {
         SceneManager.LoadScene("time");
     }

}

this line is invalid :

if ((m_leftTime >= &&  < scoreManager.score))

should be summin like :

if(m_leftTime >= someNumber && someNumber < scoreManager.score)

Thanks I will try that.