UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u57brmvEcAk7h0fNQlwzagToGE9gZ4Lu0zlTfcdNLJ4=' 
WHERE 
  key_id = '15976b35338740023e6c75ca069fe09016f56995c828debce2d303d026676b0c' 
  AND (
    token = 'u57brmvEcAk7h0fNQlwzagToGE9gZ4Lu0zlTfcdNLJ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )