UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MkKVwbrZcqaedPRqKl4pVzJkIAlCLTjJzvfQE0cv2hU=' 
WHERE 
  key_id = '479ca057730fc73a3323385c2c3cd65389b6e6fc2c8ad37ec10d141ba1eebc46' 
  AND (
    token = 'MkKVwbrZcqaedPRqKl4pVzJkIAlCLTjJzvfQE0cv2hU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )