UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x8ZKLm9h2faST7w19aPF0wVnj2f3u48RbQyiyFkrA90=' 
WHERE 
  key_id = '6db5a82bf839f38051a09c8b707ef5b85b0404fc2c4af1d087321db0c566b719' 
  AND (
    token = 'x8ZKLm9h2faST7w19aPF0wVnj2f3u48RbQyiyFkrA90=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )