UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e5V9xVdYKSkZVPpiobURfxRp6kUIWQj987qcR6BuwVQ=' 
WHERE 
  key_id = '4a2a34e3d691818ba07ab574ec95cf875a8c4de14d38a2007f70973538b8d537' 
  AND (
    token = 'e5V9xVdYKSkZVPpiobURfxRp6kUIWQj987qcR6BuwVQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )