UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uR/JolTvfpmit/39RFBqsGqUWspFEl85Q64h5hp0r0U=' 
WHERE 
  key_id = '81dedff82069d9a422bce53bd1cf5b0ea1950197171c56b04141a400abd57e01' 
  AND (
    token = 'uR/JolTvfpmit/39RFBqsGqUWspFEl85Q64h5hp0r0U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )