UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SfcDcGfq7P4UJujsjooyveB9O2vfK9CVOmT6Bqt8LCg=' 
WHERE 
  key_id = '56d5215b7617fa25e138dd38c467d195a3323857f117453574e429ef25a2ffb7' 
  AND (
    token = 'SfcDcGfq7P4UJujsjooyveB9O2vfK9CVOmT6Bqt8LCg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )