UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kf1g2QkWJzRF/tZnDp9ONVOiB0I6XX9GYyOBBhja5jw=' 
WHERE 
  key_id = '6ae6681906c09488e23312481697092b6c57e94b1e81d31b34807dc835f2b9ab' 
  AND (
    token = 'kf1g2QkWJzRF/tZnDp9ONVOiB0I6XX9GYyOBBhja5jw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )