UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MVrC4kzYk+QH7NCiS499LrZd90AyWsJ33crp9tVynso=' 
WHERE 
  key_id = 'e84e6091b25ff81f84d02e930523c2f2b49319b86b4cc0b659818ccc06e5d488' 
  AND (
    token = 'MVrC4kzYk+QH7NCiS499LrZd90AyWsJ33crp9tVynso=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )