Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '9d9c8ed09f24e2942bfb1c1eb0c3852b1974f61431e89a77ada048d17d88f0d2' 
  AND token = 'SFyq9+68Rv7WmdL1LjeU8i60C5x1l11CsKjwRi+CEQQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00036

JSON explain

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