UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8HkDlOfQNiVfpoA+DSrCFapcqYZQPyIKcM7tpP0lI90=' 
WHERE 
  key_id = 'a50dcd5a31a80ca5d37ecec6532979a74a553285199d4f24004f7eb66f19189e' 
  AND (
    token = '8HkDlOfQNiVfpoA+DSrCFapcqYZQPyIKcM7tpP0lI90=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )