Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'dd4130031a07893b7b40ec7efddf706ecdb8578ff035f64702319e6e533d6910' 
  AND token = '2lZIb0TPiCY63173utzTtKZv+0uKf4Ub/cfn/zlWFSY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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