Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1e80558a96c2a0d6dce4eaaabd2cac5314cfd3b0576f3b51ba9632dc6829167e' 
  AND token = 'fxXrzjvxKRCOrqr36ZDTX8OSOA+J/JaD/QHOSO++MvY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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