UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iKMX+jdWWjefflrbl1GGYKI0WAFt6Wh5r37wRVQVRzE=' 
WHERE 
  key_id = '9e50bf33dba3530e1d1d374fcada37e0ee2d10ffc2ee27cd4d30307d243c4876' 
  AND (
    token = 'iKMX+jdWWjefflrbl1GGYKI0WAFt6Wh5r37wRVQVRzE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )