UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b/M1jjtenE4jpAoDunIblnspvgPwvS0W1EK0BirslKE=' 
WHERE 
  key_id = '836311f23dd0aa5974ece1ffea8e717f3b4de347c30e94a90d9d25b04024b93d' 
  AND (
    token = 'b/M1jjtenE4jpAoDunIblnspvgPwvS0W1EK0BirslKE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )