UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u6AsiInqnbCik61Wg1UDhdeLHCTaDw1eSx5tlPQu8HI=' 
WHERE 
  key_id = 'c16f4842d9a7235273ecc608d059f88715da2ece535cc2c5574204cdf49896b7' 
  AND (
    token = 'u6AsiInqnbCik61Wg1UDhdeLHCTaDw1eSx5tlPQu8HI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )