UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B6j+UnGkc7ti381ujK9RUdZglBEYn5XgQxvkFq6By+4=' 
WHERE 
  key_id = '7f809301c574076fc7eed27fd9063c534b0bcc656a14b3bf0744808624d9a398' 
  AND (
    token = 'B6j+UnGkc7ti381ujK9RUdZglBEYn5XgQxvkFq6By+4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )