Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '95f4e6f95455c79391e8d7c787bba2962789b7c6cbe6b932d399f92f47eccdca' 
  AND token = '5IwJoGGrC/LJAMlobtbSZCqN2V4kOLwAYgScSkREzlI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00058

JSON explain

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