Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '5d182325ac28f13be5c47b308258562e6382205a85d8817a18763a32a1926720' 
  AND token = 'zWGikZmYoSE7za7pmEo6Me1EYy/0B/zSkzk/MUWEQkE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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