UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k9dYrdnAtJVdfEwaAymON7U6ihWjYtSlzWLr8biHqac=' 
WHERE 
  key_id = 'f8781c031160a777aa12b52283a1514ca689a353b2eafee92f8676d8cadd6377' 
  AND (
    token = 'k9dYrdnAtJVdfEwaAymON7U6ihWjYtSlzWLr8biHqac=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )