Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9606fa382583be92687a30aae0a7a86bd88d03cc330d6a5735a52df7584bbb78' 
  AND token = 'o1ZQLUUzL7f7Pc+4dAmVz0ARMITtvI/pGplN6CxTYeM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00061

JSON explain

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