Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'af2679cdce6ebefcd23bbe956cacd75e2c0f44836362003371d541a3f63f93b6' 
  AND token = 'roo9h8oe0aQ7d58eWNSkG10xmrUvrj1VScVHK0FHGTU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00035

JSON explain

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