UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lftyWDd73u7/y83SIPVXD6blEVGO+PUPNDpi5FMToac=' 
WHERE 
  key_id = '3d521d777f651f120c09a8fb29e68192d97129208f9d928e8019de3cef65541a' 
  AND (
    token = 'lftyWDd73u7/y83SIPVXD6blEVGO+PUPNDpi5FMToac=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )