UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rkXThv8ZIskA2lR2evfbEjXIl9ZyL35fOs6f3B5Mc6Y=' 
WHERE 
  key_id = '7540123e5da57ca93fafff3cb39c17e9bffc4993998589a5d58fe0bd66bef91b' 
  AND (
    token = 'rkXThv8ZIskA2lR2evfbEjXIl9ZyL35fOs6f3B5Mc6Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )