UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mw9CW54uI3lyakcKNFAyk4T8vEQNmVfyylxr0SoiyuI=' 
WHERE 
  key_id = '516611e500f8481007fa513c2f561f308b14805ceccf96c58da094a26fe2f3f2' 
  AND (
    token = 'mw9CW54uI3lyakcKNFAyk4T8vEQNmVfyylxr0SoiyuI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )