Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'c1540b4b4e527c09f7214df04f4c91de9f37685028e7b6d322665c1792319be4' 
  AND token = 'tnNc10TbEZxQ3k1gVL4Tw85XU+P1PJqUww73LQZyxTg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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