Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '1d32afdf07e9987b95b7c6ede3f017a6ddfed535460f9d7e02079f4c94f589ae' 
  AND token = '8xMBMwEv8NwbE4uw+acB3LFujN63c/v+WDmjmAs+rq0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00027

JSON explain

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