UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/WjmEiUijPayUPlLFikbTAyPSBU7NQVGdcUEC7YJd2c=' 
WHERE 
  key_id = '4ba72d138b2552362a3137ed1daedbe5c577e5b652023515e2575adb4e225d12' 
  AND (
    token = '/WjmEiUijPayUPlLFikbTAyPSBU7NQVGdcUEC7YJd2c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )