UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QJny+p5IXo4FcR8ioEuEgj65OLAhxSDdTZucdmuGJ0Q=' 
WHERE 
  key_id = 'afdf52186bef73f5b43ca8b02c77a1c131feff23a45e6e20e9d68bc7a1fcb3c1' 
  AND (
    token = 'QJny+p5IXo4FcR8ioEuEgj65OLAhxSDdTZucdmuGJ0Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00024