UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AKcEnHy71G4dV1ejd+UzNb0EtquXmDuBPKVFZCYfCE4=' 
WHERE 
  key_id = '3a7cddafe9708b8df7203ac73feb535173d009dba21d272cf145e5c38fde294a' 
  AND (
    token = 'AKcEnHy71G4dV1ejd+UzNb0EtquXmDuBPKVFZCYfCE4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )