UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'obS9eqCHkKulJrXqkYUj8FGosUVxmHQDiX0t1S2lseI=' 
WHERE 
  key_id = '642955fa744251fb032d829ef20aa3e854b9b53491a64352268150e3ca61e086' 
  AND (
    token = 'obS9eqCHkKulJrXqkYUj8FGosUVxmHQDiX0t1S2lseI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )