UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M4spNEgQsXE7KHKQbNq6DpbVg6FkOVLsKRJbFakXwHc=' 
WHERE 
  key_id = '6c76fc2980683fed371d7562a437feddc135bc096155f64cfedda4648cf4979c' 
  AND (
    token = 'M4spNEgQsXE7KHKQbNq6DpbVg6FkOVLsKRJbFakXwHc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )