UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eVkjjdxXDlxXizW0NoDtz45gRu300ybCla4qPg04Py0=' 
WHERE 
  key_id = '3f8b09cf5e80e918d4f12dacd02807dc8e5aad742da8700777420dbb599ceb7d' 
  AND (
    token = 'eVkjjdxXDlxXizW0NoDtz45gRu300ybCla4qPg04Py0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )