UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yeVvrGOfUcQp4SVkvTsjQv9UPI8UhIxilsgVBM/ar6M=' 
WHERE 
  key_id = '9839e7e1820a1f6b860b0abb33494693e16e819072675a7ecb2cb4f55a2f368e' 
  AND (
    token = 'yeVvrGOfUcQp4SVkvTsjQv9UPI8UhIxilsgVBM/ar6M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )