UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'v2b9PSztA5saY7+ZJsI8Sw9Exq/8rhl2NAoLFf8x9o8=' 
WHERE 
  key_id = '5a39f0e98579d64b4f2e482021d8225e6905531c519a50a2aebb794331337a83' 
  AND (
    token = 'v2b9PSztA5saY7+ZJsI8Sw9Exq/8rhl2NAoLFf8x9o8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )