UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fyEzC3pFCYHbHFkIsmssxfulF04rmINk6vcSxsRYd6g=' 
WHERE 
  key_id = 'd0995076c20ba7ae7f84e4249c7aca325d95b0baa2b034a270e3663eb52b9682' 
  AND (
    token = 'fyEzC3pFCYHbHFkIsmssxfulF04rmINk6vcSxsRYd6g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )