UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '26ZM1T4RsyAuA9gFO+8x0nBlC6fHQSltEHQCIgcDl6Y=' 
WHERE 
  key_id = '4c1e6868e06ce2ac09ceda84d0dfb7ee06966ab037f742afcdd0655557168505' 
  AND (
    token = '26ZM1T4RsyAuA9gFO+8x0nBlC6fHQSltEHQCIgcDl6Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )