Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'efed60a719d6bc7905c036207e46692fdca664b505758c933d7f616ea18d3c3e' 
  AND token = 'I08ZXEQnVNsTEPnuCPa9Nww7iwfA4ENgo1StXb6H3aA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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