UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'shzn9mTF/9wXBNHtyz08nzqH7Saoqp5Ws8IH5mVCRN4=' 
WHERE 
  key_id = '18d19e29620040efe3a049637d343e8e9c936d5a5723e15a1ad297a469d76357' 
  AND (
    token = 'shzn9mTF/9wXBNHtyz08nzqH7Saoqp5Ws8IH5mVCRN4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )