UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zg3xZr+RqS/u0futk4mi2D20UbzYOvYLAktsocsd5uE=' 
WHERE 
  key_id = '68bcdd83e982e579af0cae50b57fc5f2cb248df584255233d60dda2009688596' 
  AND (
    token = 'zg3xZr+RqS/u0futk4mi2D20UbzYOvYLAktsocsd5uE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )