Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0d60d569f9ef77ca3e27e923817305d8a74956899e29a27791be36ecdf185622' 
  AND token = 'D28oD4ouDi1O6stGG0o2byhyFFHg6m5OX2Tejsl8DSE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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