Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ed165ca8a149dbd2d7a9cab215e7ab153c62af423217df727baf9829231c3026' 
  AND token = 'EANYuukm8LuI/CnTQUAdv0XjnQd4ovED3VWPoOm2vfY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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