Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'fc387fcb95c1486c4ceaa31be8da0dea69d61fc2be30aca6b12decf40df6e9c1' 
  AND token = '53WBaWBWw8A1lh5cpP2Eyn5fRNKoAG0dMsCn7jog2n4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00023

JSON explain

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