UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LB/3soZmViECsQw+3eVvILvVIedGnORXgC71juRORLE=' 
WHERE 
  key_id = '9256c8a3a5270bddf049fb1f6c0ffe1f8ce7cce86c1a667a304ea869f13494e3' 
  AND (
    token = 'LB/3soZmViECsQw+3eVvILvVIedGnORXgC71juRORLE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )