Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8d1740d20edb196497719146b8d9c1f8ebf7bd4d47c60a17ceffcc07fd4771b7' 
  AND token = 'C/5N5Hd5/s8vusCxI6RmbDLFcx455sOG6DpE9U+0BhI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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