Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '22ed8d15e01c865c46f0419a56577e8e9d9d127cf2f912660018d18f7f469e94' 
  AND token = 'aj8X6xw38QynuUAWIg73XM7TEqYfGIlz0GBG5B1In9Q=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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