UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MuMEQB+0nwAPBqizvoptHlnOl/mOZBGZDMxieBTcuAg=' 
WHERE 
  key_id = '31abf54c12f2f728e43e023a20d27c5fdc48ff8f45bde4b23107873d78135ffb' 
  AND (
    token = 'MuMEQB+0nwAPBqizvoptHlnOl/mOZBGZDMxieBTcuAg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )