UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L5hb9NKC13FH8V3EUO8wgh1pe62p05K42mphY2o3/WI=' 
WHERE 
  key_id = '12196e5a0d29c232168975c28443c27e5e8d5cb7bad75422fbf5809a1f662a23' 
  AND (
    token = 'L5hb9NKC13FH8V3EUO8wgh1pe62p05K42mphY2o3/WI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )