UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oaxeFc6YB9URKDa7wNnAkitsWW6uS1Ul946vf9YP69w=' 
WHERE 
  key_id = '8335d9241f18566ee9c1543e40086cc9ed7745a2d7c1a6102ce7c2fd75340454' 
  AND (
    token = 'oaxeFc6YB9URKDa7wNnAkitsWW6uS1Ul946vf9YP69w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )