UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FflF/VjnT8LSusuWqoi+9J4JCnmK9rhq7aEM+01+KEQ=' 
WHERE 
  key_id = 'a959677464e0be51452937af108a7f209ac1f7c14b5b615c861531e2f81cef2e' 
  AND (
    token = 'FflF/VjnT8LSusuWqoi+9J4JCnmK9rhq7aEM+01+KEQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )