UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xNvgmW2kUlMt6j748MizVGklfMExx+VSdRyEy3H+XCU=' 
WHERE 
  key_id = '1602ad4c852f40de660e8d47ae151e0fe90df908538beb53596d715c80e76747' 
  AND (
    token = 'xNvgmW2kUlMt6j748MizVGklfMExx+VSdRyEy3H+XCU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )