UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OoClJnNMh9GQ2xwaSvdlFrBfz4ShdbIyBcQvalYXy2E=' 
WHERE 
  key_id = '50ef159c9d4ab37fae7cdef6820444fd8581522caaba8351e7a42f53f3cf3ec7' 
  AND (
    token = 'OoClJnNMh9GQ2xwaSvdlFrBfz4ShdbIyBcQvalYXy2E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )