UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KRak1v/NvLo+fr+YhK7uaaTXajdxXGhzYypwY5paL34=' 
WHERE 
  key_id = 'b7029b4b961acd5a21ca0f2b5b467cfd7be59561667d9b75bd914d026e2b63cd' 
  AND (
    token = 'KRak1v/NvLo+fr+YhK7uaaTXajdxXGhzYypwY5paL34=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )