Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f79b36e2d18fbc5004a16973cd8f5017b81c993a686a6e72ea2f26f3668dcde9' 
  AND token = 'ksLZLaP4KTRcKGe27oxVMBAutLbr7pTUyk+wp2YY1sA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00023

JSON explain

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