UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6g5DFMlx2RAHaTsstf08hI4lrhYiUB+Kd5NDbVqLvKc=' 
WHERE 
  key_id = 'd0cf893878ebf46765a831a997d5dd3e18e40f318a5920dcbe243e907239569d' 
  AND (
    token = '6g5DFMlx2RAHaTsstf08hI4lrhYiUB+Kd5NDbVqLvKc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )