UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2b/y+mQUeaT1oldKUTu7I9Gx1BJx1Hj6QJueIbvH5ro=' 
WHERE 
  key_id = '708a9bf27c86ec9c7feb0208afe2e80c7e2f2996a843623836c7b0d9a0c47873' 
  AND (
    token = '2b/y+mQUeaT1oldKUTu7I9Gx1BJx1Hj6QJueIbvH5ro=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )