UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2wLJgyUpMY0LlUANysMukn6mBnpLdXuQfp6KeYeRD+8=' 
WHERE 
  key_id = '8b966386aa391a2c4c4b4b3584510115da610d29c67e132a64947e5eae8411b1' 
  AND (
    token = '2wLJgyUpMY0LlUANysMukn6mBnpLdXuQfp6KeYeRD+8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )