UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YGESxdUcGhoypNDncalsJcJppki8kh/MHSGj8G4C3Eg=' 
WHERE 
  key_id = '16576ca8fac8be7e71d36112cb052befc8bf1276f46ca46b8eeb92b84465ffc6' 
  AND (
    token = 'YGESxdUcGhoypNDncalsJcJppki8kh/MHSGj8G4C3Eg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )