UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nXLH0y2FE7EJzzhqnHVKOie+WTFUTmQ2IK8ZIjsxsCs=' 
WHERE 
  key_id = 'c2c4ec027585bd22059966951d1b43eb7813aa05b36c3dc99ea5c5f540c56c0b' 
  AND (
    token = 'nXLH0y2FE7EJzzhqnHVKOie+WTFUTmQ2IK8ZIjsxsCs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037