UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S/HGY9VxDIjg7qgKtSzLEiyrPnJB5XQgcyw47N5ZwbE=' 
WHERE 
  key_id = 'a494211e679ddf4d84e90ca97f0bb05d612f540bf948429bde7b8851f7514a02' 
  AND (
    token = 'S/HGY9VxDIjg7qgKtSzLEiyrPnJB5XQgcyw47N5ZwbE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )