Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '65c1a8c119a2da30b3f42de3a12eb744b9310bd9ce331189a543c80bb86fce78' 
  AND token = 'I30u6J1OmYux4W+8yGF4LfesD9UyotrFGah85qoMzAE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}