UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iHLJflZB5lztSNa3iA3nX55WjcicwU1eNAMw4BdeYAc=' 
WHERE 
  key_id = '21a0e76a12f4bd7e203f63fe596558aa3a4d0dfc951f223d79a4d4137403060e' 
  AND (
    token = 'iHLJflZB5lztSNa3iA3nX55WjcicwU1eNAMw4BdeYAc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )