UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MXbLvYTv5TqS564qe01mG+d8y4wp/46+51UrUkH5Cu8=' 
WHERE 
  key_id = '49ce916f94b2d126dcfae2589ebcd78dd250a1c615d79f695a67d4182971f000' 
  AND (
    token = 'MXbLvYTv5TqS564qe01mG+d8y4wp/46+51UrUkH5Cu8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )