UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pDDqeCP8T3u8nfMP4nq7e5/T5Hvky03E3tFL4b/BhVI=' 
WHERE 
  key_id = 'b4fdf794b3049553c54888e4078ba6467e4727d6a72e69b7331a68a7212d7a28' 
  AND (
    token = 'pDDqeCP8T3u8nfMP4nq7e5/T5Hvky03E3tFL4b/BhVI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )