Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'e25e24a7bc2b653f10a7919348ca9f44132d43c8a2a818d6c537be769a6d9212' 
  AND token = 'o3Vhh/m6U2I7M329luECKrkKeBFsU7H9CuCUbxh+Ph8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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