UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dDvwXeBfL4k66wVeikbgbh8RoteEvVcfACc552Lg3mE=' 
WHERE 
  key_id = '3f1f50c6d1fb988c0db658ef7c23c4a921992e8de336308fa7669192de78fcc1' 
  AND (
    token = 'dDvwXeBfL4k66wVeikbgbh8RoteEvVcfACc552Lg3mE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )