UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nwUHFU2WtYEjnlk/Ltm4awOTwqrFYt1zWsvtF0nUExs=' 
WHERE 
  key_id = 'c6e445e0ee65cb509046b1f91d732471f148a933148d933a857d79100f0b09a2' 
  AND (
    token = 'nwUHFU2WtYEjnlk/Ltm4awOTwqrFYt1zWsvtF0nUExs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )