UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wehcVeCg1h882xvNgImrL1d4OOgO97xqgjUtDGrfWC8=' 
WHERE 
  key_id = '9c362855e13ce751571028308547c2be7e027f2cc68c4699ae539f3469eced3a' 
  AND (
    token = 'wehcVeCg1h882xvNgImrL1d4OOgO97xqgjUtDGrfWC8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )