UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZG/U8EHRChGgnUm2AH6DYNszO5v7kqlDHsV8cG4Q20Y=' 
WHERE 
  key_id = '6bf6f589d1e64d86249813f770393065fdda52064b497f1e3e3b17a112536508' 
  AND (
    token = 'ZG/U8EHRChGgnUm2AH6DYNszO5v7kqlDHsV8cG4Q20Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )