UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xn/OFz4GCu7iKhRfTHSxRgBDwx2w3RTpV93jaF0efSY=' 
WHERE 
  key_id = '9f0acb39760e8bf90b5b833c108c03a5aa2241369073f8a03c3cb891c7861b88' 
  AND (
    token = 'xn/OFz4GCu7iKhRfTHSxRgBDwx2w3RTpV93jaF0efSY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )