Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'bdf2e22612215084f785b5b44ff143c327fc0eccd87e6b4c4d67fbde5aec8037' 
  AND token = 'eG9I4F0R0jVEaI6Y3DFS4LUphIvZnJvEKRog7vlXxDU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00045

JSON explain

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