UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LFNvbX8Nk03TXWtFzD1UuH+AMf8RUy81AcZYptJcOZg=' 
WHERE 
  key_id = '50ab1f1b87eb7826306604419ed4da77f03518a13c5998c2f216f1925efa005c' 
  AND (
    token = 'LFNvbX8Nk03TXWtFzD1UuH+AMf8RUy81AcZYptJcOZg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )