Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f2e4f863f68382e0f6a28e0c7301ff51ceb47adcc35ca11db32f1ea89de9c6dc' 
  AND token = 'W921cMag4gY6nP1/rz0jSGTl7bbywI7hcjwJtqkrD40=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00050

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}