UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g2koLxy3LYtsgWfC0yHDrb7XdpcwKP0nGtmM5Yu1alg=' 
WHERE 
  key_id = '4b6c3fa6dd9ad49079570cd861ad13ce7cc2702e8c50e9565499dd24e92b5576' 
  AND (
    token = 'g2koLxy3LYtsgWfC0yHDrb7XdpcwKP0nGtmM5Yu1alg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )