UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QqGXnb5KwMwUxpay5LfErLj8NjKLOUSuh5FW86nbcL4=' 
WHERE 
  key_id = 'c891d72cfef702c97781ddf0a019b6dcdc169b6f114ef343121d073071e09909' 
  AND (
    token = 'QqGXnb5KwMwUxpay5LfErLj8NjKLOUSuh5FW86nbcL4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )