Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '190ffc9ebd4164e7829e56cdd9c6e9bc3c5068076761aa880a18ca846c516f44' 
  AND token = '4M1Vy2T2astNp+WURCAYq6pJ24DeefFDQWKSjOI3sGI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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