UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OLxF44MgineL4k8AptqPe2m0/AoxbpKnaGonL+o2Few=' 
WHERE 
  key_id = '7ff21da6d448fc2f438d85b86cc23879e1ee2c2f9cd2cd05d540160de5bb9c51' 
  AND (
    token = 'OLxF44MgineL4k8AptqPe2m0/AoxbpKnaGonL+o2Few=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )