Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '6bc6cf50656997956b17a4a4a5848fc2ceab8512ddd4cdb81bbff71797eacd6f' 
  AND token = 'MpluS42hBYhApoigzOvU5o6D5Y8jkzbNj/F+EvfLrH4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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