UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S+xnyRpuJsOJ79/3m5QdjW7WTbvchj7Jt6mhV8tbmJI=' 
WHERE 
  key_id = '43ebe90dc12737cc2f677f7904587b988c10b13f01e809b421043cecc598913b' 
  AND (
    token = 'S+xnyRpuJsOJ79/3m5QdjW7WTbvchj7Jt6mhV8tbmJI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )