UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BA1jSj6aAj9Qvrru+PYaEYi+8qWi2BeHmomxslnGxh4=' 
WHERE 
  key_id = 'd4a1783cb09733ffd74dc722e230879f56f624de15e399b756d0016728bc7b9d' 
  AND (
    token = 'BA1jSj6aAj9Qvrru+PYaEYi+8qWi2BeHmomxslnGxh4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )