SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '8060b61b67ab44fc25bde3f086ee9c9cd38932788cbec440229231dba669f088' 
  AND token = 'ids5sjuUW/4/dVrHh2v3F0hCmmL9ikj5zLtmQZ2GONE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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