UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '18zCKKpXGNTCkcY4T/W3km5MOVw4nr/g+/CVPLUN+oA=' 
WHERE 
  key_id = 'b306c9cf4755c7701276ee8a8680f32afd8674f7b07879286260dee0f4903779' 
  AND (
    token = '18zCKKpXGNTCkcY4T/W3km5MOVw4nr/g+/CVPLUN+oA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )