UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sCW+k/XWpJoaj1Mc0/22m7vvAN22nCtmuQbCbi2w/Bw=' 
WHERE 
  key_id = '51509d51b3865869f98a25555173cb766f1d3b4e00f33aaddb913ea54ccffb79' 
  AND (
    token = 'sCW+k/XWpJoaj1Mc0/22m7vvAN22nCtmuQbCbi2w/Bw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )