UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rkq4jOwArE8Lls6vEMd98Os6arZ8Zi8ttI8AsCleIzk=' 
WHERE 
  key_id = '430c0d803029cdd4efbe9112103bc9eaa5ce2ca08a1484ac33e64d17ae7894f1' 
  AND (
    token = 'Rkq4jOwArE8Lls6vEMd98Os6arZ8Zi8ttI8AsCleIzk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )