UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xi36XEiv6Y9cekU3/4M7vtYnWXorr7UHHgw8ceKZ9aY=' 
WHERE 
  key_id = '42ee0bce0881b4ad74540f880e769fd01577f4525afa2a7c48fc15c9bb205426' 
  AND (
    token = 'xi36XEiv6Y9cekU3/4M7vtYnWXorr7UHHgw8ceKZ9aY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )