UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6W8XXGYMG+WO78GHbAzMaMejiodszg4rcSnYPzTQsjs=' 
WHERE 
  key_id = '8a3719e8e4d78e9089eccabac5d5dd75698ed643a4aa8f2b777c263a970bb956' 
  AND (
    token = '6W8XXGYMG+WO78GHbAzMaMejiodszg4rcSnYPzTQsjs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )