UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UMK0UZuy6aRtJwDMdOzz7E7qPyridLjDh2S+AoA4GtQ=' 
WHERE 
  key_id = '768525c4113a668ecba0ee660aa336bbe40da1a4f34a942694c299023687854f' 
  AND (
    token = 'UMK0UZuy6aRtJwDMdOzz7E7qPyridLjDh2S+AoA4GtQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )