UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dxg8XGRi4xsytNoCIbIF+T/o+6n15bVzqM3xRBAYZl0=' 
WHERE 
  key_id = '4ca2cc8b1f8f21b182f238acb7ca8cc2515e4e784d04eea950e9377d053ce540' 
  AND (
    token = 'dxg8XGRi4xsytNoCIbIF+T/o+6n15bVzqM3xRBAYZl0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )