UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Td6ruuNKpml7bDypja9G6W9ZFyqalha8EW/s2jXlUVI=' 
WHERE 
  key_id = '8718eaf1b43635ff47b2a0207a39763e77880bbd09e6aa2853b3013d66e4c5ea' 
  AND (
    token = 'Td6ruuNKpml7bDypja9G6W9ZFyqalha8EW/s2jXlUVI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )