UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'f68wTiVvEOu0e7zTIKrkixtcZBrjkA1bYq+P1N5Y/js=' 
WHERE 
  key_id = '02543897aa95aecff0a07890560883556672c637e586fb55eda38ea559e4d8d9' 
  AND (
    token = 'f68wTiVvEOu0e7zTIKrkixtcZBrjkA1bYq+P1N5Y/js=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )