Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '33d27c1e90de86f01998c4d2b123dc8a5ddd546f7499f722fca4dad9b05b583b' 
  AND token = 'NOda+YeHrP3o6XVq+J8C1k1XHRT88RNYj10cr22gHfc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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