Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1f963b404b4b7df6b861c0b9cccbfbaa06de930b073d8db63d8c3c6f70307801' 
  AND token = 'rk2e69+rJIFtE0+d3xprFArHUjVPLPaDToX8ym0GGAw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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