UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3QHtTY7xBjkoniiNbEYA0zIoOlmgi0SQeeZq/GExWdE=' 
WHERE 
  key_id = '3e88e9edbf3a815e7676252f46259a13dbc27814c7ba9a0f5092afccc2f18174' 
  AND (
    token = '3QHtTY7xBjkoniiNbEYA0zIoOlmgi0SQeeZq/GExWdE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )