UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3OB04wwJRmRmct+2S5Q7tOecf2bE+7spodKSsjUyUYM=' 
WHERE 
  key_id = 'e108312b8fd829c579ffab99e3ac98bfda28d752fc507fa199a04aea220d4c89' 
  AND (
    token = '3OB04wwJRmRmct+2S5Q7tOecf2bE+7spodKSsjUyUYM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )