UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UHJtEvv4m3SlmpDfJg5INapjuYqeX6PoCdYr2T6QEiU=' 
WHERE 
  key_id = 'be50ac1a40d99ca8648573b4519a74af7e4a9a1a5b51a82db7154a6f023f4929' 
  AND (
    token = 'UHJtEvv4m3SlmpDfJg5INapjuYqeX6PoCdYr2T6QEiU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )