UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MkzS/B19faNKhBKKURvwpR9R56VWWuoc3uWDU5t3+/8=' 
WHERE 
  key_id = '5b026d9389eb6b710506b2d3b8839f2e6dd0e661821cb08ffcbb9b7f83c9127f' 
  AND (
    token = 'MkzS/B19faNKhBKKURvwpR9R56VWWuoc3uWDU5t3+/8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )