UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'geHPN32LyOqsP7Jj/D+FWAVQtbaYxyki2yfTRXls3EE=' 
WHERE 
  key_id = '21c461124b7bd34932a77e2b3633e32d5376d5188e23b3c3de99f375181acb24' 
  AND (
    token = 'geHPN32LyOqsP7Jj/D+FWAVQtbaYxyki2yfTRXls3EE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )