UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nu1T+T8Yps/AnMGlIhmiV4S73ABqY6m8VNkpcG1hZJo=' 
WHERE 
  key_id = '2e1670217145cbc047427af935ce219c8c7357a06e7686a7e5f4a7c023257e2a' 
  AND (
    token = 'Nu1T+T8Yps/AnMGlIhmiV4S73ABqY6m8VNkpcG1hZJo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )