Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f938ecf8a0e2b087746d07adc7e843c8ef6de3b1ab2b4b1fd33944c0e951c76f' 
  AND token = 'KCJAk6mO3oX5uqyRRnqxq7PlamB0PO0GCEBNQhJEs3M=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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