UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mUL46JHNuZhIg//1vpQSnawYBwclxcF2efES4izyJqk=' 
WHERE 
  key_id = 'e6d6a51e59c2e78d12d7692b30da29634de67a94e5eb54275d3aa3d82082771b' 
  AND (
    token = 'mUL46JHNuZhIg//1vpQSnawYBwclxcF2efES4izyJqk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )