UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0VMLYSXNBl5whaUvDCRm6mGPlatQT43QqL3dg3OqfKE=' 
WHERE 
  key_id = '8d5fd5b410071a621216d20fdc0b7b9ed664b5c3c932494d5787c0e2e337f486' 
  AND (
    token = '0VMLYSXNBl5whaUvDCRm6mGPlatQT43QqL3dg3OqfKE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )