UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LU0W7N3w6eWL/7zHBMDobJ1xbgQJTuErXzte9IiuppI=' 
WHERE 
  key_id = '81406bddfa6d2829c13fd4b2d31cfd59f2b3eb9cb0d7cb45f790c7a81b70c34e' 
  AND (
    token = 'LU0W7N3w6eWL/7zHBMDobJ1xbgQJTuErXzte9IiuppI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )