UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vn4aVC/bXq1+eDPDYuL0EOwKJ8hz69k7tlFDr0KTjqc=' 
WHERE 
  key_id = '93ac9c4385dad0785749cf0a175feb35dab2613318a7164cb9e225386b39bd42' 
  AND (
    token = 'vn4aVC/bXq1+eDPDYuL0EOwKJ8hz69k7tlFDr0KTjqc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )