UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '17WTv9Tk/QN+RY546GVr0KaOoyS0fy5ITbDfTZ9MMsk=' 
WHERE 
  key_id = 'f4e35c6a8cd251f8479962436d7e7b5020be51bbd58e0a8be09ac111d531cae4' 
  AND (
    token = '17WTv9Tk/QN+RY546GVr0KaOoyS0fy5ITbDfTZ9MMsk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )