UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nu2xy+aRky78tb3OAQRHwF3POI/nopehs8oN8iGbf3I=' 
WHERE 
  key_id = '059c859ec216bc0d1c4c76d04bd99929ba491eaf936c7289a6c3014ecdbf4d2e' 
  AND (
    token = 'nu2xy+aRky78tb3OAQRHwF3POI/nopehs8oN8iGbf3I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )