PermissionError: The AWS Access Key Id you provided does not exist in our records

Help
1 
from prefect import flow, get_run_logger, task
from prefect.context import get_run_context
from prefect_aws import AwsCredentials
from prefect.filesystems import S3

AwsCredentials(
    aws_access_key_id="XXXXX",
    aws_secret_access_key="XXXXX",
    aws_session_token="XXXXX",
    region_name="XXXXX"
).save("aws-credentials", overwrite=True)
aws_credentials_block = AwsCredentials.load("aws-credentials")

S3 = S3(bucket_path="csx-qa-prefect",
              aws_access_key_id="XXXXX",
              aws_secret_access_key="XXXXX")
S3.save("s3-block-csx-qa", overwrite=True)
s3_block = S3.load("s3-block-csx-qa")

@task
def bar():
    logger = get_run_logger()
    task_run_name = get_run_context().task_run.name
    logger.info(f"Hi from {task_run_name}")


@flow
def foo():
    bar()


if __name__ == '__main__':
    foo()

I’m using the above code and trying to do the deployment using the below command using a storage block

prefect deployment build example.py:foo -n process-deployment -sb s3/s3-block-csx-qa

But I’m receiving the

PermissionError: The AWS Access Key Id you provided does not exist in our records.

I’m giving the correct AWS Access Key Id. Please help on the same.