Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '3fa7f1a584d2390a1286a1c28cf308238771caa79eedd87c5276273f6146f06e' 
  AND token = 'V0asohtB0lJG6oG6vnwln8zIUoCCg6Vv+n7ZFEAb1aA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00013

JSON explain

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