UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'evr4W6GV5cbHpbnpdZcbqHsqv7phYV+PcyaafRmqDIg=' 
WHERE 
  key_id = '28e4e22f7af34ea91255166684506e3ab0386543955308cf27c5978d65eb0677' 
  AND (
    token = 'evr4W6GV5cbHpbnpdZcbqHsqv7phYV+PcyaafRmqDIg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )