Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '27ae9e771a356c2f1bfd52d36c1560b3c96d3c2c119438043c40a94f7707f0e1' 
  AND token = 'nyC9ZX8bvXASV038h0lToZpW07G2PkA/dYw7U2xGRgk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00076

JSON explain

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