UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VY324dxkZp0MFQhTWUc+zqXa6A7sFUZjArIyzTPH/mU=' 
WHERE 
  key_id = '2e206b02f33f5c300a6721e1c72bd07edf3ad1757fdb501604b862f610a3ec23' 
  AND (
    token = 'VY324dxkZp0MFQhTWUc+zqXa6A7sFUZjArIyzTPH/mU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )