UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RA/B8BqDXDf05/GxKiXBRVs4YYZD3TWwIkLvVz1/gDs=' 
WHERE 
  key_id = '31e357235dafa5bafd8e3254e81ab507dbf1f9eb66e56521daafc1075955156e' 
  AND (
    token = 'RA/B8BqDXDf05/GxKiXBRVs4YYZD3TWwIkLvVz1/gDs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )