UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'unRNY7kqxCb6TdKbzSN4IKmNW+iDmb1X/SlzbXPDloc=' 
WHERE 
  key_id = '6bd12b90397d1d3649d7d2e5278c4bb04ae2c2fccd5dc7334b27de8812a7ce94' 
  AND (
    token = 'unRNY7kqxCb6TdKbzSN4IKmNW+iDmb1X/SlzbXPDloc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )