UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sEGf6/yvxBK5WUa1WWg9AWEpyY0cduahzdXjpcT7QTQ=' 
WHERE 
  key_id = 'f6487dfe5519949d985f3cf5b91d3ec01fec60b65d244d2adf50b4c7b92d9812' 
  AND (
    token = 'sEGf6/yvxBK5WUa1WWg9AWEpyY0cduahzdXjpcT7QTQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )