UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AjQZVWGw146m9Pzc32B+PDs3Ioj0VOaPXDhN5mDQY/M=' 
WHERE 
  key_id = '27ee2dad26500895d02c76da8be4cc4eab8fe456ca762b33231024e44984d1d5' 
  AND (
    token = 'AjQZVWGw146m9Pzc32B+PDs3Ioj0VOaPXDhN5mDQY/M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )