UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zvOK0ENn8md8xGqUV3/kOJdnjgFa7LeTE50Fb+nHjgk=' 
WHERE 
  key_id = '863831a15af37f2c3026b1817e427502a6a0b5f85bfbaf4d28ef1d18cf322754' 
  AND (
    token = 'zvOK0ENn8md8xGqUV3/kOJdnjgFa7LeTE50Fb+nHjgk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )