SELECT 
  sg_vector 
FROM 
  cscart_sg_product_embeddings 
WHERE 
  product_id = 116547 
  AND lang_code = 'en'

Query time 0.06717

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}