UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uEmJ78iA5G+taWLOpDoa9NiFOrgXVw3TJdRAU0JKkKU=' 
WHERE 
  key_id = '9ac234bd65ab71180aeb9b7d55ab03b79eef107e809fac1fdaa87bd32af06a8c' 
  AND (
    token = 'uEmJ78iA5G+taWLOpDoa9NiFOrgXVw3TJdRAU0JKkKU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )