diff --git a/app/services/qualys_service.py b/app/services/qualys_service.py
index bbe9341..b805eb7 100644
--- a/app/services/qualys_service.py
+++ b/app/services/qualys_service.py
@@ -553,12 +553,12 @@ def refresh_all_agents(db):
 
 def _refresh_all_agents_impl(db):
     """Implémentation réelle du refresh (appelée sous verrou)"""
-    # Early exit si tous les assets ont moins de 5 min (pas besoin d'appeler Qualys)
+    # Early exit si tous les assets ont moins de 40 min (pas besoin d'appeler Qualys)
     total = db.execute(text("SELECT COUNT(*) FROM qualys_assets")).scalar() or 0
     if total > 0:
-        stale = db.execute(text("SELECT COUNT(*) FROM qualys_assets WHERE updated_at < now() - interval '5 minutes'")).scalar() or 0
+        stale = db.execute(text("SELECT COUNT(*) FROM qualys_assets WHERE updated_at < now() - interval '40 minutes'")).scalar() or 0
         if stale == 0:
-            return {"ok": True, "msg": f"Tous les {total} assets sont récents (< 5 min), rien à faire", "skipped_all": True}
+            return {"ok": True, "msg": f"Tous les {total} assets sont récents (< 40 min), rien à faire", "skipped_all": True}
 
     qualys_url, qualys_user, qualys_pass, qualys_proxy = _get_qualys_creds(db)
     if not qualys_user:
@@ -649,7 +649,7 @@ def _refresh_all_agents_impl(db):
                         from datetime import datetime, timezone, timedelta
                         try:
                             age = (datetime.now(timezone.utc) - existing.updated_at).total_seconds()
-                            if age < 300:
+                            if age < 2400:
                                 stats["skipped"] = stats.get("skipped", 0) + 1
                                 sp.commit()
                                 continue