UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pby0tzU5mtUIIm+T5GY1DqL0Yt0wSsojzyEUNvQYGUE=' 
WHERE 
  key_id = '6751607c6ad48937878c85a50d44b629fb7f8789af6e6631c44c6d643a1e3206' 
  AND (
    token = 'Pby0tzU5mtUIIm+T5GY1DqL0Yt0wSsojzyEUNvQYGUE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )