how to change lockdoor Sound to open door sound when use the key to unlock door

//script door//

using UnityEngine; using System.Collections;

public class Door : MonoBehaviour {

 public int index = -1;
 bool open = false;
 public float doorOpenAngle = 90f;
 public float doorCloseAngle = 0f;
 public float smooth = 2;
 public AudioSource soundlock;
 public AudioSource soundopen;
 public AudioSource[] sounds;
 // Use this for initialization
 void Start () {
     sounds = GetComponents<AudioSource> ();
     soundlock = sounds [0];
     soundopen = sounds [1];
 }
 
 // Update is called once per frame
 void Update () {
     if (open)
     {
         Quaternion targetRoatition = Quaternion.Euler(0, doorOpenAngle, 0); // สั่งให้วัตถุทำงาน //
         transform.localRotation = Quaternion.Slerp(transform.localRotation, targetRoatition, Time.deltaTime * smooth); // สั่งให้วัตถุทำงาน //
     }
     else
     {
         Quaternion targetRoatition2 = Quaternion.Euler(0, doorCloseAngle, 0); // สั่งให้วัตถุทำงาน //
         transform.localRotation = Quaternion.Slerp(transform.localRotation, targetRoatition2, Time.deltaTime * smooth); // สั่งให้วัตถุทำงาน //
     }
 }

 public void action()
 {
     open = !open;
     soundopen.GetComponent<AudioSource> ().Play ();
 }

 public void noaction()
 {
     soundlock.GetComponent<AudioSource> ().Play ();
 }

}

// script interactive //

using UnityEngine; using System.Collections;

public class Interactive : MonoBehaviour {

 GameObject mainCamera;
 public float smooth;
 public float distance;
 public AudioClip keyPickup;

 void Start () {
     mainCamera = GameObject.FindWithTag("MainCamera");
 }
 
 void Update () {

     Vector3 forward = transform.TransformDirection(Vector3.forward) * 3;
     Debug.DrawRay(transform.position, forward, Color.green);
     if (Input.GetKeyDown(KeyCode.E))
     {
         int x = Screen.width / 2;
         int y = Screen.height / 2;

         Ray ray = mainCamera.GetComponent<Camera>().ScreenPointToRay(new Vector3(x, y));
         RaycastHit hit;
         if (Physics.Raycast(ray, out hit, 3))
         {
             if (hit.collider.gameObject.tag == "InteractDrawer") {
                 hit.collider.GetComponent<Drawer> ().action ();
             } else if (hit.collider.gameObject.tag == "InteractDoor") {
                 Door doorScript = hit.collider.GetComponent<Door> ();
                 if (doorScript == null) return;

                 if (Inventory.key [doorScript.index] == true) 
                 {
                     doorScript.action ();
                 }
                 if (Inventory.key [doorScript.index] == false) 
                 {
                     doorScript.noaction ();
                 }
                 //hit.collider.GetComponent<Door>().action();
             }
             else if (hit.collider.gameObject.tag == "Key") 
                 
             {
                 Inventory.key [hit.collider.GetComponent<Key> ().index] = true;
                 AudioSource.PlayClipAtPoint (keyPickup, hit.collider.transform.position);
                 Destroy (hit.collider.gameObject);
             }

//script inventory//

using UnityEngine; using System.Collections;

public class Inventory : MonoBehaviour {

 public static bool[] key = new bool[5];

 // Use this for initialization
 void Start () {
     key[0] = true;
 }
 
 // Update is called once per frame
 void Update () {
 
 }

}

//script key//

using UnityEngine; using System.Collections;

public class Key : MonoBehaviour {

 public int index = -1;

}