UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gnvtds80nA+tQDk434Iw5pLwzFRFxGos5uHuXUG/aqg=' 
WHERE 
  key_id = '7f8a6179c037b6bf38d0be30a81fe9883d0a5ccd97bd07ff18113079cd9775e4' 
  AND (
    token = 'Gnvtds80nA+tQDk434Iw5pLwzFRFxGos5uHuXUG/aqg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )