UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ysce9/wiATf55p5xds+20ue6qFDGdBxuNNnyenb6P1c=' 
WHERE 
  key_id = '39f2256f2afec8d660a8c41dce1573e76df0cc214f5efce5a50aafa94de05c7c' 
  AND (
    token = 'Ysce9/wiATf55p5xds+20ue6qFDGdBxuNNnyenb6P1c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )