UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FBVVEmiP8V9iNRfxatdhws8ckHfNfvVKYH6Nvy3Rgow=' 
WHERE 
  key_id = '590a1bf177f0fd513d215b950c0daef6dac8b66c6e94b8e7a6b05476879e679c' 
  AND (
    token = 'FBVVEmiP8V9iNRfxatdhws8ckHfNfvVKYH6Nvy3Rgow=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )