Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'badd00fc49921423879848f41dc4b07b26aa52193bd0a95f425e69a9b8586853' 
  AND token = 'Zm6V0kx4e/CBL4t/c3VAB/KFF+dv+o9ApXoOL4/T3e8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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