UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a4HZ4KNu8Pj9aKAzSTXsfYq2yykWiABVTVtktyNqtZw=' 
WHERE 
  key_id = 'a31e3d69597d1665dcaecdc2ad65cd857d20ffa09979987d2977515a396ae5e7' 
  AND (
    token = 'a4HZ4KNu8Pj9aKAzSTXsfYq2yykWiABVTVtktyNqtZw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )