UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'd/xJ61UwvbDWaUaiedXHgu562TPh5FWsfy3n0F076mc=' 
WHERE 
  key_id = '5402895c37ca17262b7d690ca7fcfca6d30986391b5f5a505c81a6185013eb1f' 
  AND (
    token = 'd/xJ61UwvbDWaUaiedXHgu562TPh5FWsfy3n0F076mc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )