UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '33alYeFL4+GXecAbKFgMf2nd43Oz6sAa6YSR/qW94os=' 
WHERE 
  key_id = '5211c966d5c169820b8d4f1165643370cb4a3ebc5431ed0c2c09528913e37597' 
  AND (
    token = '33alYeFL4+GXecAbKFgMf2nd43Oz6sAa6YSR/qW94os=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )