Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '05f6ced72a0841399eee3d8b36bc340a4a5c41242fc4b09fb62abd87f2ddf845' 
  AND token = 'bH7Jc136oR83WXavXqmWANj5wpFdTIOdEF8HAR4SNwc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00034

JSON explain

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