UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eOEpM6nCdUA81+G+GA+6BmQhKeKSkUp0UrD3UandJEI=' 
WHERE 
  key_id = '973598ec0d63fea26506365a2e906d4f40b31764d01d7ac098525407f913b52c' 
  AND (
    token = 'eOEpM6nCdUA81+G+GA+6BmQhKeKSkUp0UrD3UandJEI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )