Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '57de4003092c35c8528b55655ad89093b11fc75af288d1bc09b52e704fbbf1ad' 
  AND token = 'ctzKhGbTAuyHtK/6uglIs5vjiBl9Ys9o2z98cpq6r94=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00039

JSON explain

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