UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BHU29Nhqm5TcTOmfXoDfKPWLQVQ4rnyMA7z5YUSF4HA=' 
WHERE 
  key_id = 'd5f0a4a6dad1847ce998cb6babcc938795c255d2a32c275003c06c145f8ece93' 
  AND (
    token = 'BHU29Nhqm5TcTOmfXoDfKPWLQVQ4rnyMA7z5YUSF4HA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )