UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D6T9tsYUwWcEHbLiMDJOa/19m+hTpDemgUGxIPyRPSU=' 
WHERE 
  key_id = 'e76757be46ce065ee6e89803ade80714fdea7d904071a8097220ffd22506624a' 
  AND (
    token = 'D6T9tsYUwWcEHbLiMDJOa/19m+hTpDemgUGxIPyRPSU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )