Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'b1b480003c8a3d2c7caa4a2ab1bf0cfaaec1a322a7753390b0466f06921e2776' 
  AND token = 'o3v1eWNy3gFCQT4azQ6fIN5v3AliYREYNCTiDw/THeQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00015

JSON explain

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