UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QZLPxe26sC8pJyFEX2XekWcpymNu3/qWqSeN9yPfC9Y=' 
WHERE 
  key_id = '278e4a52aaeb381df016d3867cadd2d33ae899a658bc4ad76948278929319157' 
  AND (
    token = 'QZLPxe26sC8pJyFEX2XekWcpymNu3/qWqSeN9yPfC9Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )