UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mw2h7x+1SbOgK6py3W3/5bSnTOswcFKN2EkJYOZndto=' 
WHERE 
  key_id = 'a4c4fd0d5a9ebbdf77512abf20e4ec697f456cfad1fcdb699ad55f061637a616' 
  AND (
    token = 'Mw2h7x+1SbOgK6py3W3/5bSnTOswcFKN2EkJYOZndto=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )