UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QPhY7KM6CQNagzMkHN3vtns59ZuCMa8eqOgF67pFJQg=' 
WHERE 
  key_id = '854964776adad36774aa24ef81addd117574324d2095c930e75a78b79d2c4c7b' 
  AND (
    token = 'QPhY7KM6CQNagzMkHN3vtns59ZuCMa8eqOgF67pFJQg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )