Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '143183775b8e6b70af41e1266747957b3c049391249ba688185fd589d87a3172' 
  AND token = 'sYVyPD9QpBeXzkOJ0bjOJQiKenIbcUZXG/N5tK6excc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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