UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4//eqrRyiF5UvserHd23B6JQzM4xnq58BgPnczk7NZ0=' 
WHERE 
  key_id = '38958aff58217fcc0daac7a69ab4ed8594aefe411de21b121019391f2cb555da' 
  AND (
    token = '4//eqrRyiF5UvserHd23B6JQzM4xnq58BgPnczk7NZ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )