UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3BAwGAkD6UjUc2WYBPDBGLhQd7SHOVElI/xhWuRFawg=' 
WHERE 
  key_id = '3ad42d66007387ad8e74180f6b3531dba1f614e917ba1e1d68d74698d7b2d447' 
  AND (
    token = '3BAwGAkD6UjUc2WYBPDBGLhQd7SHOVElI/xhWuRFawg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )