UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lxUyrPI+3lYT3kSMR+QiF5j9KDl5RHkKGyu61ZY6nzs=' 
WHERE 
  key_id = '6e151d92ba8d36da8a35ea76ec6093eb03ee0927dca006af486c261be3a263e2' 
  AND (
    token = 'lxUyrPI+3lYT3kSMR+QiF5j9KDl5RHkKGyu61ZY6nzs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )