UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g8zZKPoDEc+PTi1gy2g+q8lkf+3bdCEuxqTAXM3VUZU=' 
WHERE 
  key_id = '00813c1c6a7655ebdffa5236385704413ba1536aa47d5925039431f197df5e4a' 
  AND (
    token = 'g8zZKPoDEc+PTi1gy2g+q8lkf+3bdCEuxqTAXM3VUZU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )