UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fPoWvGib6l7WrjVoSpKhFyXq2ULkpY2HsVSjN5OcYM8=' 
WHERE 
  key_id = '64b0dbc9c3d46418b07f2074743a5113636426c525140781ee983687f6c8ac11' 
  AND (
    token = 'fPoWvGib6l7WrjVoSpKhFyXq2ULkpY2HsVSjN5OcYM8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )