UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ubqwni4jJ/rwgCEzc5BhZyA1jsvE4N/TWGer0aYVeaI=' 
WHERE 
  key_id = '4ebc4556431a2c3fa00bac1f260ee5fea90d2089851a71e8b56c65cc6c018019' 
  AND (
    token = 'Ubqwni4jJ/rwgCEzc5BhZyA1jsvE4N/TWGer0aYVeaI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )