UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n2YkaurJxeSie5c3GmPvlmgKQfAR7uuggIXDrej3KpQ=' 
WHERE 
  key_id = '6d2e0aabd0023b3100c109d0d6474862e75ac53edcfbf56ca53ab50846329a36' 
  AND (
    token = 'n2YkaurJxeSie5c3GmPvlmgKQfAR7uuggIXDrej3KpQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )