UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u9Cw52xKXJlClwCebFucEsVBnLBlexNUohjlsQJXWQc=' 
WHERE 
  key_id = 'f1938e5ee41c956295d5e9fd51b734b9b8821f8b7d410c46b6558ff5ce491d8a' 
  AND (
    token = 'u9Cw52xKXJlClwCebFucEsVBnLBlexNUohjlsQJXWQc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )