Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'cc401414075c248bf2706c40f08b5f5c97797128dc9dd81fd640929fe3c5f22b' 
  AND token = 'Pq3eg8L0K13Oh+bKmak/+DautTus6LGt2U1qsCFeveM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00041

JSON explain

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