Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2c73113b6ef710e77bc3892c76704dd299faac63663478c7af02846b9c938ef0' 
  AND token = 'h41cYUvZIfhaeS20zvqnDros05ktdK5tGtvvyMTUV74=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}