UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5/LlD5jtfH2ftkJYTstmrefpSuwi4afOWZLnEpgEKDs=' 
WHERE 
  key_id = '99a8811be135b92f51906125a932ca15c99de93e308b9783b99384827c8a13ab' 
  AND (
    token = '5/LlD5jtfH2ftkJYTstmrefpSuwi4afOWZLnEpgEKDs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )