Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9d2d62858f574d4b49e5e3b74619e8b049b3ea0278d700b417c1c2479b834458' 
  AND token = 'G0lnzfsUZS/eCzV3KP7p8Z2FRLrtuPTFZu5zG3pjK14=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00043

JSON explain

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