UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QEi9iKp8orHEpkLTdlgNzIBTvgDcNDDpz2Vnevo6S80=' 
WHERE 
  key_id = '99d447ec7c4069cb4ed2f0767d7d83c21d208f40fd7393484859670be03e7057' 
  AND (
    token = 'QEi9iKp8orHEpkLTdlgNzIBTvgDcNDDpz2Vnevo6S80=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )