Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '4f67ac6551ec0c161192d0d068a32be37ad347d54c5a70bfc5ecf9f983784b78' 
  AND token = 'OryoJTIc6PFCc1iRHVqKig0Q4i1FrRUgrTJiBI96jNk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00172

JSON explain

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