UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rMzxZ6pLjUQODHl5uFLGOFqBMBYiOtTvOo0CHZ4eioQ=' 
WHERE 
  key_id = '81c6153d30e1fafcbe825d869d50e0dc93e19d46f378fdd6a220dcc75dd3ab0f' 
  AND (
    token = 'rMzxZ6pLjUQODHl5uFLGOFqBMBYiOtTvOo0CHZ4eioQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )