UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N6wYw/xQMkSFE/2BZ+f6mD+J0suKYioe5EOJutyOrec=' 
WHERE 
  key_id = '7e40681925cc56de327c9fa2ddb9bb00baa8fdbed1751b647f9d9e7394146369' 
  AND (
    token = 'N6wYw/xQMkSFE/2BZ+f6mD+J0suKYioe5EOJutyOrec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )