Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '060551fab333e5b9d0e0022a38436191a07311638374b6c3f54bf646fc2a927d' 
  AND token = 'HhWbBK4Mp3JXFeFqKVwpOAeBjDyDVOAikiSUFfoVPTw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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