UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xU2oO+TCBz6CUWmjrU3UThCAgw9n6cwv8lWDZzYBPyc=' 
WHERE 
  key_id = '85ba36d1a0347c9e0b1fe2462a728a963e7ef0368fbdc14cabf9bb912858bd6f' 
  AND (
    token = 'xU2oO+TCBz6CUWmjrU3UThCAgw9n6cwv8lWDZzYBPyc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )