Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '42243cc9fab3c2cb89cb396fbf11fb895887984f7b4a8aec599fb946f412bebe' 
  AND token = 'AuNbhdcOE66wuLW9nqh0E8+0PvkHGOBlh8ZJOcJOiHs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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