Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '09c77edfa71d9f22027acb887194914cc395e74447e5f88075c6a6555825b102' 
  AND token = 'S1Hf6h78e+WVas8xob7P9UXw/l3XVaH6EvzwbbvWfNs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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