Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '9006a30930c8e7af1541886f6e8789f97e2096b0366c99d7ab8002de7b156aa3' 
  AND token = 'AOMy50VGNJXMaOMxsbbx8tV5KAqPBmQXzqfFoYnKClE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00036

JSON explain

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