Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '6f0db864e16c637fbdb3ac06a10092115db543b70b975efbf62bda8823e90ef0' 
  AND token = 'uiZO8eRuDrQ7gsrydnN8a1C1HUMRoD++lzGB6xwnxVA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00021

JSON explain

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