UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tS5snC68epSzBNqONyOdXzBzNZiPuJNL2WYmw2hLGig=' 
WHERE 
  key_id = '6b9b2b2073a27b394891a9e802a98bd6a8fe2e0d8d670024093dc692f243708b' 
  AND (
    token = 'tS5snC68epSzBNqONyOdXzBzNZiPuJNL2WYmw2hLGig=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )