UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y6T5cnbLb0je8sUi0X4e432TvOG4RXqrDdWF/jrR9mY=' 
WHERE 
  key_id = '7935cb251f3dc446867e23b943d66ccb35815ff69dc719b545a4d5f8c3c60351' 
  AND (
    token = 'y6T5cnbLb0je8sUi0X4e432TvOG4RXqrDdWF/jrR9mY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )