UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aNKcBW4SGBEc5TDubWEhYTJxf+86N/RkNSU1dJEOWPc=' 
WHERE 
  key_id = '8ffd7e21b870f8eefa9d86f5f7b489616b49b866f3d0d57931a7c17b0209574b' 
  AND (
    token = 'aNKcBW4SGBEc5TDubWEhYTJxf+86N/RkNSU1dJEOWPc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )