UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bMcP5Cb3epdngCL2EtuEk0T8ur/t0kF8nUc7nA8SlaA=' 
WHERE 
  key_id = '9b93423a3f1d4a5290e9a6c5b17e36b57503fa377357e99a93b5eea897549fd0' 
  AND (
    token = 'bMcP5Cb3epdngCL2EtuEk0T8ur/t0kF8nUc7nA8SlaA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )