UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NEuVG5tfztrkfO12xP2Az+MKzBEtlWZoDD+rUutXcM0=' 
WHERE 
  key_id = 'a51bf39afae0a6b3d682c24411bc97db13532dc98e90162a87cc0225834c3de1' 
  AND (
    token = 'NEuVG5tfztrkfO12xP2Az+MKzBEtlWZoDD+rUutXcM0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )