UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RpPgwgFWMY2F4isKYeDQwgbbnwNf3nlCbt1FzLoE99M=' 
WHERE 
  key_id = '99a1f037ad1b85b48c549aa521f24e9eb57254c075e963c0c247918e637f7275' 
  AND (
    token = 'RpPgwgFWMY2F4isKYeDQwgbbnwNf3nlCbt1FzLoE99M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )