Sandbox

SELECT 
  1 
FROM 
  cscart_multi_declock_keys 
WHERE 
  key_id = '58df75a5c439a564a23978e3f998aa56e19ed47ce142cc0cb32a1d6c7ef8ce9a' 
  AND token = 'hjdRlqKUdd92QuvXxTQiiwfAeH1uSGu6huScic8lDD0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00021

JSON explain

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