UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SRu7zXdHEhEkARJWRxodzy6WsbMEkNiXSbwUwmhIfLY=' 
WHERE 
  key_id = '45c44f78a6cddc68576d653ed02ec224cf10077539fbf2b336cdc292b7f7e719' 
  AND (
    token = 'SRu7zXdHEhEkARJWRxodzy6WsbMEkNiXSbwUwmhIfLY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )