UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm+csa2Qd/uDtf9KW0ugtT+bEwNSQnoidtuejT71EubE=' 
WHERE 
  key_id = '6967a03a0dc96d810f794e8a41c8d69f61101aaa2a72aa5b89805702f3bd4425' 
  AND (
    token = 'm+csa2Qd/uDtf9KW0ugtT+bEwNSQnoidtuejT71EubE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )