Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '32fe9e5abd83f20decd3528f751bdc8e93379514d8b874244753c80ac79e7da7' 
  AND token = 'Oi0D5aLEOj944GQwh78DVu4uzgB3BQkXmA0lHGOTMG0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00045

JSON explain

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