UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'GDtJbNMj7gWlZxiNn4EixsLAzicsKq/fyBuVs0D5fWA=' 
WHERE 
  key_id = '400f8c09cf89d5901109ea39c131e8499d0381aece5466dc2aaea14929325863' 
  AND (
    token = 'GDtJbNMj7gWlZxiNn4EixsLAzicsKq/fyBuVs0D5fWA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )