UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ysXAF8XKloeYhcldEH4C3XhAQm84FzKGtWwVeGlnwI0=' 
WHERE 
  key_id = 'a4e7bc5b41ebca0b5adca0ad8e1ab0cab6f2ad28d5c3ff10621196c92659a6dd' 
  AND (
    token = 'ysXAF8XKloeYhcldEH4C3XhAQm84FzKGtWwVeGlnwI0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )