UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gvwc1h6MffpZURWadHrdZQFEATpJEPjuSUzmYe27eTU=' 
WHERE 
  key_id = '2569b50343f7550693f0093c1ea8500f336a0fa7b621944d49b9d20a59a17014' 
  AND (
    token = 'Gvwc1h6MffpZURWadHrdZQFEATpJEPjuSUzmYe27eTU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )