Databricks hook: fix expiration time check (#20036)
Databricks hook: fix expiration time check (#20036)

There was a logical error in the check of expiration time that could
lead to authentication failures when executing long-running jobs
nathanielvarona/airflow,lyft/incubator-airflow,mistercrunch/airflow,mistercrunch/airflow,mistercrunch/airflow,apache/airflow,nathanielvarona/airflow,lyft/incubator-airflow,Acehaidrey/incubator-airflow,danielvdende/incubator-airflow,mistercrunch/airflow,danielvdende/incubator-airflow,Acehaidrey/incubator-airflow,bolkedebruin/airflow,Acehaidrey/incubator-airflow,danielvdende/incubator-airflow,Acehaidrey/incubator-airflow,Acehaidrey/incubator-airflow,nathanielvarona/airflow,cfei18/incubator-airflow,danielvdende/incubator-airflow,danielvdende/incubator-airflow,bolkedebruin/airflow,cfei18/incubator-airflow,nathanielvarona/airflow,danielvdende/incubator-airflow,cfei18/incubator-airflow,apache/airflow,apache/airflow,cfei18/incubator-airflow,apache/airflow,cfei18/incubator-airflow,bolkedebruin/airflow,nathanielvarona/airflow,cfei18/incubator-airflow,apache/airflow,nathanielvarona/airflow,bolkedebruin/airflow,apache/airflow,lyft/incubator-airflow,lyft/incubator-airflow,bolkedebruin/airflow,Acehaidrey/incubator-airflow