UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+aY5ShDKPYkTYLfWSxphPb/eGhpguc9QZylmWj/woPY=' 
WHERE 
  key_id = 'eba910ae754816e06e06103cf70b6b4f46bde7c777a02840b57ff7c95c4e8b58' 
  AND (
    token = '+aY5ShDKPYkTYLfWSxphPb/eGhpguc9QZylmWj/woPY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )