UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '29dlJJ8rHnawt28jAlgu1XS2tiA0wuxTaOyZh3Mszwg=' 
WHERE 
  key_id = '5596451aa36b083af3df4b83b182a479cc386bddca8df8ebed033046a2a58513' 
  AND (
    token = '29dlJJ8rHnawt28jAlgu1XS2tiA0wuxTaOyZh3Mszwg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )