UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uznEWO9lT3Ptjf5qoC8W4MrO39hxCBgwebEiK6/2KlU=' 
WHERE 
  key_id = 'a492270a7a22a14e5041c881f6d0a3a0fb7df2a3e9e803944cbc33b9d8a36158' 
  AND (
    token = 'uznEWO9lT3Ptjf5qoC8W4MrO39hxCBgwebEiK6/2KlU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )