Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8b27c476fca1a6257f8c1cc19915e6430e30e1cb47a01b5b90999d91b22ba52c' 
  AND token = 'aXwvfabxXcjOreJGIK46tXucaY/DakeA/0EtW63Ty2E=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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