UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kER1UlHdKEs0HjFM56eVFIhpBt74Tu2JCEtOSQ9vqEc=' 
WHERE 
  key_id = '55d20944581f1a29a3d029a9ab799d651387b44ace792b9768b4a192a0d87b21' 
  AND (
    token = 'kER1UlHdKEs0HjFM56eVFIhpBt74Tu2JCEtOSQ9vqEc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )