UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MSEg//UBdLW73Kw663H3c75iE4ISOXpfVemFPI7d9bg=' 
WHERE 
  key_id = '83d2a8182c82edccdfbc71314fa0a35b5010bb2862c78ea3f7852fa1d5ff7e78' 
  AND (
    token = 'MSEg//UBdLW73Kw663H3c75iE4ISOXpfVemFPI7d9bg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )