UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MnW6xNRNaKPLQ9KnuRzfvJOeV+wmpuwkOvMBS+HhkSU=' 
WHERE 
  key_id = '75b86c527a5a79a98f522a3cd1ac31162c402ac8ca5b4e36c8daa03bf36821bb' 
  AND (
    token = 'MnW6xNRNaKPLQ9KnuRzfvJOeV+wmpuwkOvMBS+HhkSU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )