UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e1HTen2YgIfjFboiOsudTvupSMud5lotqQCKtN0lRKU=' 
WHERE 
  key_id = 'a1c429edf52288d84af84f2073468e803809c78bd1ad4c6cf55b206be27b2db8' 
  AND (
    token = 'e1HTen2YgIfjFboiOsudTvupSMud5lotqQCKtN0lRKU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )