UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nZHqD74UJhfnvmzOVMxPPaz3AKHE/isW/+Nxbq+VAfA=' 
WHERE 
  key_id = 'c6c5d660b85b923266b3a19c9b50c3405c2b9da1f945951e6ad3ef5e6c937bf7' 
  AND (
    token = 'nZHqD74UJhfnvmzOVMxPPaz3AKHE/isW/+Nxbq+VAfA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )