Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'e471f70f7a357997b1411043620bc2f1f303f894f4b217569f5bbf1aa2d39662' 
  AND token = 'ujY63HfrnM3KCqQAYcLzObQp/ib0njsIQ3+a/jldynE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00043

JSON explain

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