UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UYCAS5pRLSqO50BG9dJeCNlx4KWJGopyNoXg02wwiPk=' 
WHERE 
  key_id = '47dc117c9abd0ed9e733ecd663582155b632222b48b4110115ef7260ac47aab4' 
  AND (
    token = 'UYCAS5pRLSqO50BG9dJeCNlx4KWJGopyNoXg02wwiPk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )