UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N/+sYrz5XIhec2y5LmshTpJVRaETvt+CowKiSliQLms=' 
WHERE 
  key_id = '3bc3a8b2db234e2aea44b758f88fa09ed99b7511f807fcef4f191eb909249638' 
  AND (
    token = 'N/+sYrz5XIhec2y5LmshTpJVRaETvt+CowKiSliQLms=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )