UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iS/tXB1fIBA4EwH5oeSX2egY+rgfjQcmKE0Zt8TD9RY=' 
WHERE 
  key_id = '643c50cf71f7450343e3fb44bde8f697e40e48b0efecc6986a29f42322785c7f' 
  AND (
    token = 'iS/tXB1fIBA4EwH5oeSX2egY+rgfjQcmKE0Zt8TD9RY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )