Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2aa9cf4eee6e30b74564d952a0a5b00ce9a2f1a43b944fb342eef93543e28f38' 
  AND token = '14wnWU5KPMwiRUIJB5j3odVX2Oiss3hAoOh/53xF66E=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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