UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'cbh/gChcV48eQ1x7JJYidUBHXe6WydpowQADr0LJsgY=' 
WHERE 
  key_id = 'dcba6a3024107e2ad6f70e9bee4973c1a83518bd2c3e7dd793cb6b49372a2894' 
  AND (
    token = 'cbh/gChcV48eQ1x7JJYidUBHXe6WydpowQADr0LJsgY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )