UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xf/Dpg18ahvNcZbuegMNthEFG7XlxJmEBdhUg0GgkqA=' 
WHERE 
  key_id = '81b15e4f38fbdc34892749e7b2c69cc74542ca31ee3fb246db0b431ea5b13993' 
  AND (
    token = 'Xf/Dpg18ahvNcZbuegMNthEFG7XlxJmEBdhUg0GgkqA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )