UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U5qKfi+fmB7P2/Cs5ke9UopOmsChT0uu2bGbOzpsmLM=' 
WHERE 
  key_id = 'c1ed470df74b10459046c8b8aed809b6ddc8d1ca4c687df33d1965cc3ac1e4ab' 
  AND (
    token = 'U5qKfi+fmB7P2/Cs5ke9UopOmsChT0uu2bGbOzpsmLM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )