Sandbox

SELECT 
  1 
FROM 
  q_lock_keys 
WHERE 
  key_id = '180484c0e78ae31c8a6b388305a8068897ca3d11cae46e6d5389991ecb037a3b' 
  AND token = 's5FUDr+i6lJSXlHGjimZhR7TLX+Hive93ROnIqU9ls4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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