Sandbox

SELECT 
  1 
FROM 
  q_lock_keys 
WHERE 
  key_id = 'ee22e77e15b393a411587c252694be804d4e4f2b332077fbce1fc79fed83214c' 
  AND token = 'xl6K1icPzTBVCBCgi8d5JBxJ/6YFucl5MBoeE6dgt/s=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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