Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '744aa711c5c5ad8a689034c66bd2d6993388e5bb119b22b1a5ca2921a81e7c91' 
  AND token = 'daS2fgFy9tBkkF688MHQGZov+T6KcElkeoEPEp9oD/0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00027

JSON explain

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