UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm5l3OLMqTQajAEj8TQ1w1Ko0+n9AeGu3EfBJJ/LnVno=' 
WHERE 
  key_id = '6f5dd6f192dfe5e8d38302397ca2d9629ef9a1a5ef2528f38ce214ba1c695adc' 
  AND (
    token = 'm5l3OLMqTQajAEj8TQ1w1Ko0+n9AeGu3EfBJJ/LnVno=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )