UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KhWtbPvhXZgmWatkFa7nWf1MRINhMF48t6dLtlWvXkQ=' 
WHERE 
  key_id = '1fbe8d10fefd7ca4f9519f9da7d0d9a179b8a4d1b0efeb1b744ceda57e384a2c' 
  AND (
    token = 'KhWtbPvhXZgmWatkFa7nWf1MRINhMF48t6dLtlWvXkQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )