Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = '2f91abcb744067c6e99a9e380a9757e4e73c037160725189104fa2f8593be123' 
  AND token = 'Q8MSHXcfDe+jlzidP78ji+gvicAk/GV4I0rO2a6vH6Q=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00043

JSON explain

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