diff --git a/smart_service/apis/app_user_login.py b/smart_service/apis/app_user_login.py
index 5ffeaaf..45df1e6 100644
--- a/smart_service/apis/app_user_login.py
+++ b/smart_service/apis/app_user_login.py
@@ -850,10 +850,9 @@ def generate_refresh_token():
 
 
 """ For Refresh API """
-
-
 @frappe.whitelist(allow_guest=1, methods=['POST'])
 def refresh_token(refresh_token):
+    """ For Refresh API """
     rate_res = custom_rate_limit(limit=5, seconds=15)
     if rate_res != 1:
         return rate_res
@@ -983,20 +982,23 @@ def deactivate_tokens():
     rate_res = custom_rate_limit(limit=5, seconds=15)
     if rate_res != 1:
         return rate_res
+    access_exp_hours = 15 * 60
+    access_exp_time = datetime.now() + timedelta(seconds=access_exp_hours)
     frappe.set_user("Administrator")
     doc_details = frappe.db.sql('''
                     SELECT * FROM `tabRefresh Token`;''', as_dict=1)
     try:
         cur_time = datetime.now()
         for d in doc_details:
-            if cur_time < d['access_expiry_time']:
+            if d['access_expiry_time'] < cur_time:
                 doc_value = frappe.get_doc('Refresh Token', d['name'])
                 doc_value.access_token = encrypt(generate_keys(d['user']))
+                doc_value.access_expiry_time = access_exp_time
                 doc_value.save()
 
-            if cur_time < d['refresh_expiry_time'] > cur_time:
-                # frappe.delete_doc('Refresh Token', d['name'])
-                pass
+            if  d['refresh_expiry_time'] < cur_time:
+                frappe.delete_doc('Refresh Token', d['name'])
+
         return True
 
     except Exception as e: