UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b3emkUYL8gq4JnaDc2pEvXdYQQleUj2Jsmn663Vt0OQ=' 
WHERE 
  key_id = 'c6142b11af7895dc20320101cefb7fbae1144cd475ba7e429c8bcf9098284711' 
  AND (
    token = 'b3emkUYL8gq4JnaDc2pEvXdYQQleUj2Jsmn663Vt0OQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )