UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iQspjrrhxKzTJGVxioyOe6XLaGQyhbUKLjdjg/8RN7I=' 
WHERE 
  key_id = '47e20cbeb01b98ed0412903b99baff5881cb85ec61efa4a4f64a121a44f2e769' 
  AND (
    token = 'iQspjrrhxKzTJGVxioyOe6XLaGQyhbUKLjdjg/8RN7I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )