UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U4FAa3QNhY/2DI8lc0MewTIVvEmyoLdl0H1SELT6aG4=' 
WHERE 
  key_id = '5a8a88aa9ed9d93c5475431a0965891d0557a3ea82e2135aa9452407335f4cd2' 
  AND (
    token = 'U4FAa3QNhY/2DI8lc0MewTIVvEmyoLdl0H1SELT6aG4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )