Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '24fa359a40149fc7b83c265b634cc5ace2d59b9e78043d862b8b5a49b9926cf7' 
  AND token = 'sCTNg8Mx75YXrNrXKM5oq438Yff7VM41SDcI476BgzY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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