UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nMxUB2NI2QCvUjs1fGEmNY2kQrHeu/v4RZUH5UFaWOc=' 
WHERE 
  key_id = '8c1820e58b499ff4c847cf9dbb5884678f1365c6cf54fcfb1f4a3a23c3b41cfc' 
  AND (
    token = 'nMxUB2NI2QCvUjs1fGEmNY2kQrHeu/v4RZUH5UFaWOc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )