UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yHHpvhKAlad+fU3U/LgPRm6hWMZElZYl0qbAPNL0QFU=' 
WHERE 
  key_id = 'df74f9c22b3e910234c0e5f00dd0ed5d0f771305999f461ec4dded581a0bd6b7' 
  AND (
    token = 'yHHpvhKAlad+fU3U/LgPRm6hWMZElZYl0qbAPNL0QFU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027