UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PUN4wFuFKcRbs2Ot84psM4HrXOzZ6hVOJuQXvsc5DiQ=' 
WHERE 
  key_id = '1a23ef3be6547c3751aebe87ba3c7fe641667626336879ea902af1f1eff41b9e' 
  AND (
    token = 'PUN4wFuFKcRbs2Ot84psM4HrXOzZ6hVOJuQXvsc5DiQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )