UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'db38xa3IZjfx+DFP2yjIMPOUJL3TbGQDBBxZDFpEqmo=' 
WHERE 
  key_id = '15c613667a483d177e930e8568b50d7e1af76b7d161da7fc100b6ef06fcbfbd8' 
  AND (
    token = 'db38xa3IZjfx+DFP2yjIMPOUJL3TbGQDBBxZDFpEqmo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )