UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yDdhLqY3Hf9EJKejpvKlm1hDVZ+Ag4RJ2PJ12HmBMFQ=' 
WHERE 
  key_id = 'a6a04c53016cc2717384ccf652531dad06b0984509597265fc837ebdbdaa0d60' 
  AND (
    token = 'yDdhLqY3Hf9EJKejpvKlm1hDVZ+Ag4RJ2PJ12HmBMFQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )