UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DN8HUnXzUzabPlI1Qa9hUeM/KMQV4O4mNWeh02Gd1Pc=' 
WHERE 
  key_id = '91cd74be3d59a67d436e582ced5f4a09d51ad6fca14dfa3ebffc02ce293a1da8' 
  AND (
    token = 'DN8HUnXzUzabPlI1Qa9hUeM/KMQV4O4mNWeh02Gd1Pc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )