UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NcEm8x6xDpGS9SNMyvPnYzD2L/2tRnWTVhLHej0KOvY=' 
WHERE 
  key_id = '20df022b44333a51b2177616fa3580231b049f28d6b7cf831463d056813bece1' 
  AND (
    token = 'NcEm8x6xDpGS9SNMyvPnYzD2L/2tRnWTVhLHej0KOvY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )