Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '65679be19204ae320491f87f99821f342e7132e6e8a8dd562161dc642cac2e8e' 
  AND token = 'olOIqLpkCP8hMBu3vYp1Iq1IWb53aRa6EX5H2r/goOg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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