Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '59585b3cd7b7749eaf93fc886cf384d951d0681b4507811918d2955e97fb1efe' 
  AND token = 'jmx4Tpt2iUf5EQtadGUDp/6wLpdHgpOek0FYMwlcxhw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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