UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KPaH6EWnsL6BmwHmLPm94wBYn6tBEt0R9kSjWxjKBKE=' 
WHERE 
  key_id = 'bfd20339ad8a60f44329c6afeee0908979f8cd3759363bcb0617e2c04fd2dd3e' 
  AND (
    token = 'KPaH6EWnsL6BmwHmLPm94wBYn6tBEt0R9kSjWxjKBKE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )