UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'asCs2liKMVklRp9L4ljEx7wDO8sQfbzcDCAtf6pQ7V0=' 
WHERE 
  key_id = '4e51173a3c74176115689e49534f94e30614ef10da931fec189652b6612b6368' 
  AND (
    token = 'asCs2liKMVklRp9L4ljEx7wDO8sQfbzcDCAtf6pQ7V0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )