Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '4ccbd7169c6c5ebd4b024a87f56ac520af44125472f19a29dc7c4732ffdc760f' 
  AND token = 'zEeF7iIA9av7ExxVV89YTLepyzojndPFLK7JBLXHt7U=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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