UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'btmZBEv6zJ7hhPDwdguXdO3xkFCUWVAjz7b6GiSdEig=' 
WHERE 
  key_id = '0b4538647dcb264e6eb46795b030fd57eb77fd9fabfe66095a804c6e7e8db1aa' 
  AND (
    token = 'btmZBEv6zJ7hhPDwdguXdO3xkFCUWVAjz7b6GiSdEig=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )