UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PHxkam2rLT2iDun5P/djcn5j6ppOLvx8mvWRS0lgRDU=' 
WHERE 
  key_id = 'd9376d07bad0f4e95a7d17c383b363b752db014679cc7b266051ca3b17a8f1d5' 
  AND (
    token = 'PHxkam2rLT2iDun5P/djcn5j6ppOLvx8mvWRS0lgRDU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )