UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zkPyVfTDXWvmz34tETx3m6faL2DZEWcOJ79gmPQiolg=' 
WHERE 
  key_id = '20c7d653844a8d27aa4e8dbab7165196c734fe79ca80366559078fb07ab31818' 
  AND (
    token = 'zkPyVfTDXWvmz34tETx3m6faL2DZEWcOJ79gmPQiolg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )