Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = '4a16263692d4ff45c349336a8f4711e529315dafae6d019cda718bd99f17d82f' 
  AND token = 'auM1u1cKZa2qVnz0oGYjIiJg9l98Ur8Z1c3bZx743eU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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