UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MHu0eB8mIKf7FW+WowSrSiGrFFzM3MhZwMfzp4wQVaU=' 
WHERE 
  key_id = '6d3f0a0e640398d03a3cefac91d36b044fc991b63d5ba5e7fb94bd2cb9988672' 
  AND (
    token = 'MHu0eB8mIKf7FW+WowSrSiGrFFzM3MhZwMfzp4wQVaU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )