UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r34kbBkhiCI+0s90NmUqY7Tx/0/Cxm/3At4HZw+1f94=' 
WHERE 
  key_id = 'd6ce462b157df7c587f787533d58374d7abcb0ff08218f177893605fd0e2db9f' 
  AND (
    token = 'r34kbBkhiCI+0s90NmUqY7Tx/0/Cxm/3At4HZw+1f94=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )