Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'dcf8c72e79f97784be4bc7ad3781df9010efc000384966e5e38298b0d5486dd9' 
  AND token = 'riuU8W2z653TUFDXxGa5MrQntFnk3BwzA4ZVFBrlCIw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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