Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '13150d44de789be66e6a8e9a9d200f7f3a95652538943cf94ab0a8f3e24da0ce' 
  AND token = '/pPKFi5QkC9J7I0r8V21/neHcSuF51kvpOb/IYIYldo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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