UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k4ekpZ6POi3wbBfZDHtV23a9h8QiPxQSceyu3Ukp7L0=' 
WHERE 
  key_id = '12df9d27e1234dd754139241d25ed743decafa0c1626fe03d702b38692a75120' 
  AND (
    token = 'k4ekpZ6POi3wbBfZDHtV23a9h8QiPxQSceyu3Ukp7L0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )