Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9040cb50ab56c3c25a8aaec37b7383f88d42a60c9ae485521356088b0876d92c' 
  AND token = 'PoNNTKiYgZwhxci9XrAuPFbCxv8I8NdwlJeH7aiVgLU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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