UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kg1mVtiDehs9m+24v6ZbWBmqDPDwFFwRtlzINpLIXQU=' 
WHERE 
  key_id = 'a79f417e6fd1b3de56b86d7e8a9ff866f0e8e5991fce94a8a2c51a617231ac7e' 
  AND (
    token = 'Kg1mVtiDehs9m+24v6ZbWBmqDPDwFFwRtlzINpLIXQU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )