UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tcgAyey4vBcV3lnQq9QJIxhAkS7qhgbLSnjsmJR5qOc=' 
WHERE 
  key_id = '0c4a6f908930dc390071095d6f332aeff6f40cd3ca704bb8e3e49437df4d8473' 
  AND (
    token = 'tcgAyey4vBcV3lnQq9QJIxhAkS7qhgbLSnjsmJR5qOc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )