UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mjcf6PcXMzV63FX9u9fxfyUJlClTxqRTYH345U9j4Sk=' 
WHERE 
  key_id = '8b042c03ec2fd1cd37f74287218290de839e547702acd2d09d1df0daf52f092f' 
  AND (
    token = 'Mjcf6PcXMzV63FX9u9fxfyUJlClTxqRTYH345U9j4Sk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )