UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n6S2Xolp19BZ5bOpCKQlLv3cicTXgWldyEl7w/YS9Dk=' 
WHERE 
  key_id = '27b54d20b06a423c698217d939cc6c9907891202c6134e86bdf8e2b434850b6f' 
  AND (
    token = 'n6S2Xolp19BZ5bOpCKQlLv3cicTXgWldyEl7w/YS9Dk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )