UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/MhBGtmYNrFBowb/u/hAiEr0Kq29/Nwko+zqy0hhmYY=' 
WHERE 
  key_id = '27b5e2dc8c1dee9bc58e2bcfc98a9b376b95a27d3a11a93a19df19d6e2b63c47' 
  AND (
    token = '/MhBGtmYNrFBowb/u/hAiEr0Kq29/Nwko+zqy0hhmYY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )