UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QtnZn1Pw3z3TzIIZW/pNxbc32LhBWC+roEOgi/RMJeU=' 
WHERE 
  key_id = '68e850795ca98b6654ed070c1a33107654dea525c3cb194d79162c24611cd83e' 
  AND (
    token = 'QtnZn1Pw3z3TzIIZW/pNxbc32LhBWC+roEOgi/RMJeU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )