Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '1daed34502909ebbe1df416bafbab57f985586dd502804ae33ba486ccba95039' 
  AND token = '+bVzbyZi0WlJHqqUzGa2O5RTD6MCyqA3/DaSozfEj08=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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