UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z2jfW7PYLxWa9sUsqEmjEzO3NbJ7EoBusBND7uE5Qbw=' 
WHERE 
  key_id = 'b4c5cd23f217703c46d54dc4a6ce7deb0586bee5b9a52f00c34a87b7255f9be9' 
  AND (
    token = 'Z2jfW7PYLxWa9sUsqEmjEzO3NbJ7EoBusBND7uE5Qbw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )