UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zl0CGuhYX80AQOpZzi615KpIbht0vv7gIBRxguZFNUQ=' 
WHERE 
  key_id = '81191c8b2520da955829123138ee891d508df90afe7684bbda7b7d641d1183c5' 
  AND (
    token = 'Zl0CGuhYX80AQOpZzi615KpIbht0vv7gIBRxguZFNUQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )