UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C/buFuOKSMDwfDIwE8yXAz8PCx7Nsx6NaWL80SlvUjs=' 
WHERE 
  key_id = '95a55fb436b111bc64552c176dc22cbbbebced9169bd426e660965dee244b471' 
  AND (
    token = 'C/buFuOKSMDwfDIwE8yXAz8PCx7Nsx6NaWL80SlvUjs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )