def delete!
      Scripts.call(
        :delete,
        redis_pool,
        keys: [exists_key, grabbed_key, available_key, version_key, UNIQUE_SET, unique_digest],
      )
    end
def delete!
      Scripts.call(
        :delete,
        redis_pool,
        keys: [exists_key, grabbed_key, available_key, version_key, UNIQUE_SET, unique_digest],
      )
    end
Deletes the lock regardless of if it has a ttl set