UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gN80phLyHuPZb6WvkvFhmOj178NL/TQZej0YsXbW5f8=' 
WHERE 
  key_id = 'baf0cd8f104eca6bef9dfb299ceca3f7f7de200b490aab19899cffe14b90b1e9' 
  AND (
    token = 'gN80phLyHuPZb6WvkvFhmOj178NL/TQZej0YsXbW5f8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )