UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'krgLZ1H3exc/SrgHdWip1VzUaqDUf0R/us0QIq0BFRw=' 
WHERE 
  key_id = '8b3b1d0e94128d0b542704d734ad69368fad6dc40340b72450b0da90acfca9d8' 
  AND (
    token = 'krgLZ1H3exc/SrgHdWip1VzUaqDUf0R/us0QIq0BFRw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )