UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'TNzn+cZ/rjhJTt7305vTa9gAyOz0Znwlc/n8ao6ndQw=' 
WHERE 
  key_id = 'a1a282ef9f43380f331d3c0b1c3fb52a3c4a470de9c1d591cf91b5c369f3b203' 
  AND (
    token = 'TNzn+cZ/rjhJTt7305vTa9gAyOz0Znwlc/n8ao6ndQw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )