UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vEpXqtSG6UCUtZkc16IedL2U7XJbRCkycXusykZ8/Bk=' 
WHERE 
  key_id = '18eaf580acc7da5aa6e8fa9f8bd4774464ebc73641a74773fd50a0544d957241' 
  AND (
    token = 'vEpXqtSG6UCUtZkc16IedL2U7XJbRCkycXusykZ8/Bk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )