Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2cc9dbafb5b19f1bdad4ec1b203d5c226f8bd86374a6c725e012d12732f3c6f2' 
  AND token = 'VYDWdfokNmzcvYytlZNUGdKtmaJlUxETwrbE7LxZq5Y=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00021

JSON explain

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