UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2nvxEnznfKF6Gi7TXNyMWjTmr6e7dAp6nqz+R/V39DQ=' 
WHERE 
  key_id = 'b799639a77862ccb65f3a49594971e22a81315520f64a594de1b7d122010f3af' 
  AND (
    token = '2nvxEnznfKF6Gi7TXNyMWjTmr6e7dAp6nqz+R/V39DQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )