UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UKehQPpBJYSj74nEWNwEIj6w0mtW0SGEyLBqLJjXsYk=' 
WHERE 
  key_id = 'b1a4ee58c0919d02cbee0dbbfde6b2bcbdb683613f6ae5d2f1d741e4de73aa0a' 
  AND (
    token = 'UKehQPpBJYSj74nEWNwEIj6w0mtW0SGEyLBqLJjXsYk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )