UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CsZa1cmDFyDJx36tV/FT+XVZjd/9bFE9P2A2r9jdW30=' 
WHERE 
  key_id = '6e30b4fef0a813642e429d02e820fc3070c68497616a68679944d16d9f009e7c' 
  AND (
    token = 'CsZa1cmDFyDJx36tV/FT+XVZjd/9bFE9P2A2r9jdW30=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )