UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7cnFpZwry3zkJX7mVPBWhwHrsq9rZRyvoc373ebWHGM=' 
WHERE 
  key_id = '71979c2f04e03b6e897089b1eba25280ff09eb0d3b529b829acfd03dd5b047df' 
  AND (
    token = '7cnFpZwry3zkJX7mVPBWhwHrsq9rZRyvoc373ebWHGM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )