Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1e86d820531a8788ea2d16fc92f0104c714fb8065b257cae1ef69cb41f11acec' 
  AND token = 'T9+K+sUvvk4PzvM6ObWhzw/QEXlNdrdP4J8ZJOAdnyE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00060

JSON explain

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