Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'aad3db809ba6051a36888f536cb3b114793b4632e2081fb91255d36755582afd' 
  AND token = '0P2iFPAgw20idAI/6aK+u5qu1phYocyzFvpcStRUz6I=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00080

JSON explain

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