UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E3Xgxo9beS1eAsrwu78vV763eZ0izaFxTTxuFaNmKYA=' 
WHERE 
  key_id = '581478d2aa4b8e587880261c5766c25d5903fb2a02f5bf812c03c3898e3da600' 
  AND (
    token = 'E3Xgxo9beS1eAsrwu78vV763eZ0izaFxTTxuFaNmKYA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )