UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'UkWHS9CvOmBcLrhnCsVTp5Hu5crLZsxyQNbsfg2B9DA=' 
WHERE 
  key_id = 'b67a3ffeffe52b6e35910160578e8aa94c2793a862641e9049fb9e766c22299a' 
  AND (
    token = 'UkWHS9CvOmBcLrhnCsVTp5Hu5crLZsxyQNbsfg2B9DA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )