UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O8FsjKKZaKDGQOLNyXFhts1sfFHiqoJfA6tRhB47g2A=' 
WHERE 
  key_id = 'e8c41531bbbf0042edc725be381cc11e51bc7e31064ff71f171f86f17381b718' 
  AND (
    token = 'O8FsjKKZaKDGQOLNyXFhts1sfFHiqoJfA6tRhB47g2A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )