UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rXm3XIO1qjiuEcPvBDOfMMQDeRWpzkBEduJF+L6m57A=' 
WHERE 
  key_id = '6648fdbd262cfaf57f6d2d9993dbf8d2364a4f0ab196f27a412c267e6e056a80' 
  AND (
    token = 'rXm3XIO1qjiuEcPvBDOfMMQDeRWpzkBEduJF+L6m57A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )