Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '51ce34e208b8f11dc8501eb610c6c7d8d466209029d05cd9c7a071990c104942' 
  AND token = 'l6zNFPS7rxC1Bf/hC4UdcCngYv/7bkU5dk0HwnjXwyM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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