UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PVSc3Yz8MY86PzfP2j04MEmVb8WlCyzD8xzEzVQ+WfM=' 
WHERE 
  key_id = '4e45d0f6780ff62586bde3f470655b421799f9b5517bf0e4d01d7612de6c8afe' 
  AND (
    token = 'PVSc3Yz8MY86PzfP2j04MEmVb8WlCyzD8xzEzVQ+WfM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )