UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ArqrfAvMWlTZ7HX6SJVQdsgQ38LVwaWiMo1gLgrWr4Q=' 
WHERE 
  key_id = 'b68f29fa76fbbc4f2ba19492b8bf795a58c396d3449dd969c812c4be2e8c337a' 
  AND (
    token = 'ArqrfAvMWlTZ7HX6SJVQdsgQ38LVwaWiMo1gLgrWr4Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )