Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'b4132038c7d53719579dac461b1a8f60007178a5e33f0dc70860ad710afb2eda' 
  AND token = 'M+1Kv1U9nivAXrBTbhy2XQKNemxlWFmsBUpWI9ix20g=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}