UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gfVfTdLPoAGWUPHBUKS7SHZoe59gV+xurrhFL265WUU=' 
WHERE 
  key_id = '94a6a0b599175e0b4b7f0003e7773bdc8c89b1b5c5bfb9736e71e45e9e3fdc3d' 
  AND (
    token = 'gfVfTdLPoAGWUPHBUKS7SHZoe59gV+xurrhFL265WUU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )