UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '68V00YR7sXivK4DrWZ+w2JXvgLU+r2vovBFe+9OMeUY=' 
WHERE 
  key_id = '08e4866e9606a85680c59daec87585e05d69318ae74ed68d468d03247ec643be' 
  AND (
    token = '68V00YR7sXivK4DrWZ+w2JXvgLU+r2vovBFe+9OMeUY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )