UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ldk6puNHhSzAdoFm6k2cblZceYGJ9eg7U3HBLZo2r50=' 
WHERE 
  key_id = '8e33a0ba615ccc26dd28b12f8ba0435fbcef1022a41869f169c860196ce37824' 
  AND (
    token = 'ldk6puNHhSzAdoFm6k2cblZceYGJ9eg7U3HBLZo2r50=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )