UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pxk6jSGEZQzYS7NyF/ftr15O6cCLe+T8x9j4wXTitLU=' 
WHERE 
  key_id = '2e92c80f5f0879051fd53added523ea51b5f9e5f253cbcfb9551e599534d9f4e' 
  AND (
    token = 'Pxk6jSGEZQzYS7NyF/ftr15O6cCLe+T8x9j4wXTitLU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )