UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GKUBGFpiaXe+yKAS/iUj68Rl0v//+hwswsJPStZqdqw=' 
WHERE 
  key_id = '838c234e614923a5da82ef25f6651a96b26d71e740d7396db3cbe72c992cda4a' 
  AND (
    token = 'GKUBGFpiaXe+yKAS/iUj68Rl0v//+hwswsJPStZqdqw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )