UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'v7Uzz9rqYGG/tkamfzokwk2DIjF/jESEv9iSRubcE+Y=' 
WHERE 
  key_id = '4b6492a7d77d00440e6206206c51b4cd66ce553820bf67b097355bde9fa42d6e' 
  AND (
    token = 'v7Uzz9rqYGG/tkamfzokwk2DIjF/jESEv9iSRubcE+Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )