UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rW5r46AH6k4n1uUO0nWkfTmfLpW3aPwgaQ2+5+9rb+g=' 
WHERE 
  key_id = '6da1c2c84270c4d973f2cb384621ade652db5e598b7d8fb620c025baa07bc095' 
  AND (
    token = 'rW5r46AH6k4n1uUO0nWkfTmfLpW3aPwgaQ2+5+9rb+g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )