UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6qKzihxsq35WTeE40jPaOddWSgHLM8AUDdLqAljkowY=' 
WHERE 
  key_id = '849613c99d6761f6b8d2a21fa076f9caa12f66d54cbf0b891486a60051abee86' 
  AND (
    token = '6qKzihxsq35WTeE40jPaOddWSgHLM8AUDdLqAljkowY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )