UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ptw/eWS911ZgEPtWP6c3QnsWQEJ9lBjrSUo1ftPwn1Y=' 
WHERE 
  key_id = '53f3963ff0a2668f4293ae0d9ec42ca8754a09a4dd4e408cb13bc9ce656c7881' 
  AND (
    token = 'ptw/eWS911ZgEPtWP6c3QnsWQEJ9lBjrSUo1ftPwn1Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )