UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'njvfNZeKiLumCfS7VDs5vZ52Cm3F5zftH4NXFbEAxGo=' 
WHERE 
  key_id = '687621e318f8f56e2c77a35144d301f66868d448ec222605ad75140af90e75ae' 
  AND (
    token = 'njvfNZeKiLumCfS7VDs5vZ52Cm3F5zftH4NXFbEAxGo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )