Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'e665dcc5c2402a68ac9271df39ab85988a66f77e0c4363e9bcf3e895b8702a5c' 
  AND token = 'mlVAy0AA2ET6foNvergsFQkTPqKlOcr0WPtpXJQKk7M=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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