UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9ufPbXgOhKaKh6G7k1VnVWBQjhK19EeFDOQabFfISuc=' 
WHERE 
  key_id = 'a5a65a3eb4fce6df06799210d03a345026a0a80d0a522c47b838e298967fc3d8' 
  AND (
    token = '9ufPbXgOhKaKh6G7k1VnVWBQjhK19EeFDOQabFfISuc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )