UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Knhz1EcXnjhVNPrfXxkC3TZ/33FRNe0vxKx90BBevdI=' 
WHERE 
  key_id = '6ef09d59f15afc7ab3306c7688f7e09277abbfe19dd28cec9e7fd83888ab1768' 
  AND (
    token = 'Knhz1EcXnjhVNPrfXxkC3TZ/33FRNe0vxKx90BBevdI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )