UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mjmMQpnRqUGz9xG5EpCjILAtB1z64FjERvy8FV4sKK4=' 
WHERE 
  key_id = '956a44fad9d24476c92548973ff1b81c5cec5fb927134115b2e106a9bb8f547f' 
  AND (
    token = 'mjmMQpnRqUGz9xG5EpCjILAtB1z64FjERvy8FV4sKK4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )