Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0207e7bee7f60e22060ee1c3a18ecf0c0107c76b2b656672bfb82892c8aadd66' 
  AND token = 'Oenxbe1zKCu/rvVHG/y6OmyUibwoTTGVw+H8aXGzydw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00041

JSON explain

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