Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0f281080185559167744b16f5b4c1a19f9c359df20788103b7e95da10fa01d70' 
  AND token = '4HPdGcp2/EwhAJebrOc6DNKzKv7L9McOgFT5p82X+tY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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