UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MoH9G7xeLI9FSaqFsZQKvD4KESdI7WnPZetrjMyMsww=' 
WHERE 
  key_id = 'caf76dd97695120e481e0e3ae9ba172ceacdb4167883df396e61043bc7b143aa' 
  AND (
    token = 'MoH9G7xeLI9FSaqFsZQKvD4KESdI7WnPZetrjMyMsww=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )