Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '00ae640c076dd3f10d9cf6f18a7153a957aa9230e4b1c8f9bc85efaa0b03560d' 
  AND token = 'KOm7BTwA2D71oA7qVTkJyUwkZ5sT6MjwAiegf666XVg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00023

JSON explain

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