UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MmXG62KMyh5sEvmslxkGiF954aRsKjdTQ4FdBAMtG6M=' 
WHERE 
  key_id = '4e540285e61dc0b79599bdaae27d52a67b97500976868d1b5b2d1bfe3dc863cb' 
  AND (
    token = 'MmXG62KMyh5sEvmslxkGiF954aRsKjdTQ4FdBAMtG6M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )