もしより良い条件があれば、ためらうことなく私の保険を更新するでしょう。

If I received better conditions, I would renew my insurance without hesitation.

もし機会があれば、より良い条件を享受するために雇用契約を更新するだろう。

If you had the opportunity, you would renew your employment contract to take advantage of better conditions.

条件が良ければ、彼らは契約を更新するだろう。

They would renew the contract if the conditions were favorable.