UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QSGXKAWj1GFHaBkA3S63FvL7Z+HFlXjr8E7J+VASzps=' 
WHERE 
  key_id = '4521437e6d7b15685b7de7696d489b66bd5fbe1c9c5d7d5bc43723bc3881b801' 
  AND (
    token = 'QSGXKAWj1GFHaBkA3S63FvL7Z+HFlXjr8E7J+VASzps=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )