UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LmZVtvC/VbmtKlLkx6e5u2UKSivzqynJQYqJPDjr9+s=' 
WHERE 
  key_id = 'ec4f17ff6337502c5f0b793934a8de1a86ff265c39f0d1bed78f737c1b879b42' 
  AND (
    token = 'LmZVtvC/VbmtKlLkx6e5u2UKSivzqynJQYqJPDjr9+s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )