Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2cc859d0a45d674825c8891919f36ebe811bab4f2c541edb8710945caa04c066' 
  AND token = 'X69obPzPPY3WUamyZ8qwRsUNbAgt3O0LJX9lS7NzsUY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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