Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '09b65666fb4f113fba7f2143cf2c31026b03a029d90461502181d3094d8bfc92' 
  AND token = '795EY8pviNg+k9Mu1seOMgzop9EFMz/arJEwUBijIBc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00062

JSON explain

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