UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'USZyyUSslG87AEW1nswSNYLTfjIgIEElKy3HCJmJRFk=' 
WHERE 
  key_id = '921009a426b247c6a39fb8a008fc1df0b56dee90247d0d984aec3bb6f438bad9' 
  AND (
    token = 'USZyyUSslG87AEW1nswSNYLTfjIgIEElKy3HCJmJRFk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )