UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XRuVWIDZ9ZEIY0JdNLMq8GrkRTn3u2dJHBu3akjF/6w=' 
WHERE 
  key_id = '9ec1bb84645a63c26c228308ce408d5e875b596c7aa3e0af2f465cac53a25896' 
  AND (
    token = 'XRuVWIDZ9ZEIY0JdNLMq8GrkRTn3u2dJHBu3akjF/6w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )