UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u8nPnvTWPFLliAsz/bsXwSGkXqiuxSbIXhdITVNk2wg=' 
WHERE 
  key_id = '3fb068761440a70687877349c7b448fba58b170882757178b57ca5ebd6ddd871' 
  AND (
    token = 'u8nPnvTWPFLliAsz/bsXwSGkXqiuxSbIXhdITVNk2wg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )