Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '32c8b44691354db3d5c2f57296cb34aca425fc929aa7439cfefde7225c5f0b5c' 
  AND token = '5wcGwFxKV5WRozsiW7RBF0W0y7jXNUEq8IrXR6qIWfs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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