Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '11947f3bc4f2b25e5297c1437402e2f22025e27bf795b1e899406914890f348b' 
  AND token = '9HLEEZn/quaTxqQz6dYwprnYirm58WgdKCzTJ7YfPbA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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