UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kpd19nsg4Iq60Lpkblvdgx4zYZrBupwwxWm04XRgfZc=' 
WHERE 
  key_id = 'a76d91898fbffb4f4fec8b012c39e0411d8a39d49e6f516350abadd477e024df' 
  AND (
    token = 'kpd19nsg4Iq60Lpkblvdgx4zYZrBupwwxWm04XRgfZc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )