UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lKsbKPsJysdPGlY/hXl0aNNfHiqKBfF3Mm/0Yhdg1Xs=' 
WHERE 
  key_id = '0d500378b8424205b2a3967a20c90bcee558b7a6958a26251264a5e0dc1e893c' 
  AND (
    token = 'lKsbKPsJysdPGlY/hXl0aNNfHiqKBfF3Mm/0Yhdg1Xs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )