delete.py

from boto3 import Session
import datetime
from datetime import timezone

ACCESS_KEY = "your access key"
SECRET_KEY = "your_secret_key"
REGION_NAME = "your bucket's region name"
BUCKET_NAME = "your bucket name"

ses = Session(aws_access_key_id=ACCESS_KEY,
              aws_secret_access_key=SECRET_KEY,
              region_name=REGION_NAME)

client = ses.client('s3')
objects = client.list_objects(Bucket=BUCKET_NAME)
contents = objects.get("Contents")
if contents:
    for o in objects["Contents"]:
        file_creation_date = o["LastModified"]
        diff = file_creation_date - datetime.datetime.now(timezone.utc)
        seconds = diff.seconds
        if seconds > 3600:
            client.delete_object(Bucket=BUCKET_NAME, Key=o['Key'])