Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ee80da7f8e286228bbd6ac99adc106e13df19fefaa0e29e99606fa2fd9197144' 
  AND token = '41LWdDeTr4M+CdjIW7ksNcX9KUJ/1tBgM3FzroyF8kc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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