UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aMFF9hZwu50xzwjesGwNwTyd6Wq+ADl500didXfw+PU=' 
WHERE 
  key_id = 'fdd423f982d694489a18f838f2dd190b2ed47c7e6fe7c7653032cb7e9ea54461' 
  AND (
    token = 'aMFF9hZwu50xzwjesGwNwTyd6Wq+ADl500didXfw+PU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )