UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yBVrcdTxDWPR9UZWPCscsTVRLKUS/43+RcyfI6VFzjg=' 
WHERE 
  key_id = '5047064c6fc53a13e3f820f06f0be3148486c9ffc828ee463f1f65b224ff2668' 
  AND (
    token = 'yBVrcdTxDWPR9UZWPCscsTVRLKUS/43+RcyfI6VFzjg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )