from datetime import datetime, timedelta
def get_expiry_status(expiry):
    exp = datetime.fromisoformat(expiry)
    rem = exp - datetime.utcnow()
    if rem.total_seconds() <= 0: return "🔴 Expired"
    if rem <= timedelta(hours=6): return "🔴 Expiring Soon"
    if rem <= timedelta(hours=24): return "🟠 <24h"
    return "🟢 Active"