UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zR+meggE13VfpllkUbjtXR2UYsNsf/tPeaKrbnLsmjk=' 
WHERE 
  key_id = '46a3d9be2a3aedf4b606c99775f57035db9164b9d36f53e772736167d2847df9' 
  AND (
    token = 'zR+meggE13VfpllkUbjtXR2UYsNsf/tPeaKrbnLsmjk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )