UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Jt6NqP1VFBw8n5I3sJ3TFh3emDZei8lLDTSYEkXTfFM=' 
WHERE 
  key_id = '5ffe264877d8e46909f12ab095c8e37d68d4901be5acc4c5919d640591c76910' 
  AND (
    token = 'Jt6NqP1VFBw8n5I3sJ3TFh3emDZei8lLDTSYEkXTfFM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )