UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vtk0Ka+wWPBF0o2T4ALZozrVOIvgdwN5qsE46BNRUU0=' 
WHERE 
  key_id = 'fef7596ae412392a6210d44ea608a766e51e57c3ec9cea6bf842fc4b4bc6ee2b' 
  AND (
    token = 'vtk0Ka+wWPBF0o2T4ALZozrVOIvgdwN5qsE46BNRUU0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )