UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xmlet8vqAiZNrWgajZz4hj7qsFHHvwDNSmnbLdyGaEU=' 
WHERE 
  key_id = '99c08ace1e1242dd01595435acb6d93e86750a1944aa631643d886acc0900fd7' 
  AND (
    token = 'Xmlet8vqAiZNrWgajZz4hj7qsFHHvwDNSmnbLdyGaEU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )