UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2lzVV739zkIhmzBPCbQEjqCDym0rZ8g1LXnA1e3VRFA=' 
WHERE 
  key_id = '15f75473e443389722490739e2e29ca2ef9fb87455795fbbc2ec28328e277dd9' 
  AND (
    token = '2lzVV739zkIhmzBPCbQEjqCDym0rZ8g1LXnA1e3VRFA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )