UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2HuxjxVJxuAV4nOxdvqo5Bd68NcAD4xGdFmAGGbKVa4=' 
WHERE 
  key_id = '502f3a997de5cb6a8b093d300f97914550701aa4994f0d2c5c65476322b9ccb9' 
  AND (
    token = '2HuxjxVJxuAV4nOxdvqo5Bd68NcAD4xGdFmAGGbKVa4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )