UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K8vNcUkOjC+gLxdXSzCnxt+z4b6wIkdiDfJU2CUujdk=' 
WHERE 
  key_id = '4d6cd88da7c9b9d0c414361ebfa21a1c136804278d1add8c80990629aaa8fa0b' 
  AND (
    token = 'K8vNcUkOjC+gLxdXSzCnxt+z4b6wIkdiDfJU2CUujdk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )