UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'llHWLgOn8i6HI+QR0buTfyuJpmcnuTktq9wqlTGfHog=' 
WHERE 
  key_id = '98b19dc67e20bc87f89576587ea0864e586dac5fa28f7c62dc111fa7348be49e' 
  AND (
    token = 'llHWLgOn8i6HI+QR0buTfyuJpmcnuTktq9wqlTGfHog=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )