Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'e3283a91568171ec4dd2b2261eef4d1b30deff36f39b8e33d377ad79b6e1d862' 
  AND token = 'VazY3yzI0FZ/s0wf2nEmPqqU9HSLzr7wS3f04TJDCEE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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