Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '102abcb242d082247ac39ba94d52edff39561ec86b7b55f5dad49277bc266228' 
  AND token = 'ugzxT6XUccp8olqRVj2Y8V/fhoM1+qRr2Ia7WaFWAE8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00110

JSON explain

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