UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7sWJ5uJEh1bH2wI+srnkFxmpYgMqRDD5yJwqxKmXgOs=' 
WHERE 
  key_id = 'a8f5919dc6ffb4e539505958a52ff420637259ebce451ccc8ae49d22bcfac469' 
  AND (
    token = '7sWJ5uJEh1bH2wI+srnkFxmpYgMqRDD5yJwqxKmXgOs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )