Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = '330d35eb73aa456d370296fe220fb4a46dfb8f388f4be6a64a604dfa1d0d8827' 
  AND token = 'YBOMRHGskDJxsuIZQiTpbjuc3YPbJ6JnVGEZch60JcY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00023

JSON explain

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