UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PYtA3yzCRUQSc4PcW4EyqauyNmAekm3de9O4fyQAtVA=' 
WHERE 
  key_id = 'de4df3f1b86db7f3a007e9ccb46a82780d84abef9804c735bcd4d64ba0f501dc' 
  AND (
    token = 'PYtA3yzCRUQSc4PcW4EyqauyNmAekm3de9O4fyQAtVA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )