UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MTKTgB2vY9+uVbMoph17XnkallXNLV5warqrLKKnAQo=' 
WHERE 
  key_id = '940d3b7fc47c513171da2902e2647bebec96fb2f912b6847c58ee48be88ff34b' 
  AND (
    token = 'MTKTgB2vY9+uVbMoph17XnkallXNLV5warqrLKKnAQo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )