UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MGScBR0AE8ZiiOPHqwaFmmDflXPb7vUndOdcpBYhOQw=' 
WHERE 
  key_id = '283af12dbae42e3797caa59e09229aee4159124d0910282e1f0839d0a9b2e732' 
  AND (
    token = 'MGScBR0AE8ZiiOPHqwaFmmDflXPb7vUndOdcpBYhOQw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )