UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xbQa/im9y5NyyopIzyO4DxM//POmVxTYI241VRV0+Ms=' 
WHERE 
  key_id = '51c2ae14459e8a0a5568631917abb1b685b6c8b4eee925b61f28d5bc93577f6f' 
  AND (
    token = 'xbQa/im9y5NyyopIzyO4DxM//POmVxTYI241VRV0+Ms=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )