UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hmlwdDz8Wihy4H7YNNG9lLL2dqJnDEwrZ3uvJoEtp38=' 
WHERE 
  key_id = '81df0b616b61eae698b5bef4a12d5ce5f28727636ccc269a33505b652c46dafc' 
  AND (
    token = 'hmlwdDz8Wihy4H7YNNG9lLL2dqJnDEwrZ3uvJoEtp38=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )