UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C3OAcobr3ebkdQu29thHol4tPbt6mr4gSmcPmSL7fCU=' 
WHERE 
  key_id = '7583d11aaf40b8d94f9a39249cb38cfb357f1c9c2363c108a8b90d44935c490e' 
  AND (
    token = 'C3OAcobr3ebkdQu29thHol4tPbt6mr4gSmcPmSL7fCU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )