UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zjNyIjmrAN4E5WZB835Yaa1XlhORNioGdZlfoZ/3YyU=' 
WHERE 
  key_id = '51a7b46e7ce9d4b7f223b77f9b3c9d17372e2e2a84953bd200a7d39b5b6e004e' 
  AND (
    token = 'zjNyIjmrAN4E5WZB835Yaa1XlhORNioGdZlfoZ/3YyU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )