UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M8gRT0oe6LNOa7JBiXjz8WvaEZ383I9xZFXiViadotM=' 
WHERE 
  key_id = '42ce70dae21fd84b996af7230655f02e3149c5984ceeee768af81e80a8f0e64f' 
  AND (
    token = 'M8gRT0oe6LNOa7JBiXjz8WvaEZ383I9xZFXiViadotM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )