UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a9WgEG1notfpyzn0rfAGqzCzMkBkhWPwovEn6SnHDPg=' 
WHERE 
  key_id = 'ef5e24fd91eecc0a95fd1ad2c5616c2641c8bd99d8f55268cc24b91a44222839' 
  AND (
    token = 'a9WgEG1notfpyzn0rfAGqzCzMkBkhWPwovEn6SnHDPg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )