UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xGs8xcR3hC7S8sic3e7RXIwcp2kSflHYiy0nOWZTsII=' 
WHERE 
  key_id = '11f394699181358de519764c24ff893a939fd88d516b0d95e7e9463d6252b425' 
  AND (
    token = 'xGs8xcR3hC7S8sic3e7RXIwcp2kSflHYiy0nOWZTsII=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )