UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cBjo/LQYzvrTHqgnxg2y6ZObAUWdizMjOG75iJqtn/c=' 
WHERE 
  key_id = '6dcffdd8a596797573e81382e0e13817e11720b096823d3c2ff4fd6eb85be947' 
  AND (
    token = 'cBjo/LQYzvrTHqgnxg2y6ZObAUWdizMjOG75iJqtn/c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )