Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '16d00e7bfdd50c0763bb1b716ae8000caab3f343af49d53e60c3c8a3244543d8' 
  AND token = 'KsY22Z7G2RVXN7BX170z+hDp6v56d4D9xZLjdlBu2co=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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