UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C4eKTjaf1ewD6GMXuADz9EUK1T7D+1O/XI1nQ9kPM1o=' 
WHERE 
  key_id = '47f548cf3e3153c9409c35035414d9cbd7969ad6782de88319903976e973a496' 
  AND (
    token = 'C4eKTjaf1ewD6GMXuADz9EUK1T7D+1O/XI1nQ9kPM1o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )