Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '36719cacec347f97251497d364b9fd6edbb82f7f3049376ff378aaf0101e4a5d' 
  AND token = 'l0jPDM7Vsj7oCW/yr3TpHH4aRxl0Vn5UOLm+nEwlcu0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.01526

JSON explain

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