UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6K5DBfAPKkyhFLg3ZdOn0iF1zqDClo9sdoTeXWcbHMM=' 
WHERE 
  key_id = 'ca16e010ec997c6b943df444c900b21a4335ea6bf43a39f790341f2182704fde' 
  AND (
    token = '6K5DBfAPKkyhFLg3ZdOn0iF1zqDClo9sdoTeXWcbHMM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )