Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'cc7941ef4d1c446c01d644a92f5bc792798e2f0af66756cb7ef7bda1bb09697f' 
  AND token = 'aIt7xNqOdrYO/7eQLcURYJB0tHjeodGv/6EEf6CYGyY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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