Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '5fe9f684fb2b048176141faa57ea39f48746e69387d744c9d34967521b360e3f' 
  AND token = 'JiIXYvHZ6A1TVab06960FtVoyHS8H2XK9zVK14VnfY0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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