Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '658ff630b2eb40685e4f94f5d78a5921788e307d8aa1973231b3bae85539590d' 
  AND token = 'cAUZ/kdOlAX7YNKivpl4L4TJz3FGHnLale4prpt0cyU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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