UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PrrCCLMHxZMsg2T+dQo9RDzOgB1a/xU+DfdNSDxQWWA=' 
WHERE 
  key_id = '1938bf7581c3f812c17954d0b9ec15caf69763b9b4924ed4b45a6263793957a4' 
  AND (
    token = 'PrrCCLMHxZMsg2T+dQo9RDzOgB1a/xU+DfdNSDxQWWA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )