Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'ba13c5ab9a0e99e5e22360a8701ee5eb875622cc4546c8910c8215ddf2b46d3b' 
  AND token = 'fdU4mPwBXeoBBoj4eH5jlo5rJU0FypRgyc4SmfTPid0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00042

JSON explain

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