Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'cd9012830b7b46e9a19e71da0f94a31553e4890d7b561b76efc9a56554114e33' 
  AND token = 'm0p7YZV2k8G0rf18aq/0yNd3jICfBZqWp6Y6JUGmiGc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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