UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8eJnG12zUe+f4bn52ubSv+VogeZeNqBPTDnhY9ViT94=' 
WHERE 
  key_id = '52d3da8c4f1448f92c4b3fe9c431a054bb5e000de1d30353150b0745d328e2e3' 
  AND (
    token = '8eJnG12zUe+f4bn52ubSv+VogeZeNqBPTDnhY9ViT94=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )