UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gbnqM2XCBvdn9Iggb/OdVE61gVoYIlZwGBtTkIclkuc=' 
WHERE 
  key_id = '971a17eab43a5e7854c75af23c0b7ae9655ccd66f84e9b24d25995a1531ab44a' 
  AND (
    token = 'gbnqM2XCBvdn9Iggb/OdVE61gVoYIlZwGBtTkIclkuc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )