Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '025f34c86a44bc8ef55b5ebddb751542cf0eea70e9c6d8063cc1d25c555a3bc5' 
  AND token = 'C5SW2T2UOtgp4P4EVCywut0JAIccggF6UNQ9tIVfzUc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00036

JSON explain

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