UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z3xTBoN1kl6q38EVebBzHpOfFhKkqN19prDeg1oyP40=' 
WHERE 
  key_id = 'c4809b1a2f17156d228a276513d88f8d64a4f9cf67c7f74ea506979ecd245cd9' 
  AND (
    token = 'Z3xTBoN1kl6q38EVebBzHpOfFhKkqN19prDeg1oyP40=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )