UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'erwh5uFV3n4iAgZHYrGPouLkz3kXcLykMbvcKeSDLQ0=' 
WHERE 
  key_id = '4c419dfeb4ca15bbe55c7b875eb5413a28a1448b4a575f30a3d462eaa4bdc39c' 
  AND (
    token = 'erwh5uFV3n4iAgZHYrGPouLkz3kXcLykMbvcKeSDLQ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )