Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd06622f8f0ad3bf90373c51840028d946000812122326c9c70e52846c57b5662' 
  AND token = 'qOCQ017PfHW6J3HPg3qw9mAmXGq96knUJtJylJ3nHLA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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