UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fz4QPLenKq/yscD4dbIQzCrmk6zI4/1W2ZsKZlWFyLo=' 
WHERE 
  key_id = '1b15bd79aeb68f4bdba93229dc0109d464b8915a2ac5af8e8848d855f9f08371' 
  AND (
    token = 'fz4QPLenKq/yscD4dbIQzCrmk6zI4/1W2ZsKZlWFyLo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )