Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'cead53e55be575380bb76b50cc20bbd1ea98f4e47039c492d0de2dc8aebe6c04' 
  AND token = 'WF5UlNCBkZykTfE1eigqvcWOwwqjM5DDogvw4Fp0nVg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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