UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gk6y7PRHdE+8EjuKELCctSYozoxAnlMcXyJKdaKbweU=' 
WHERE 
  key_id = '50ad057e0e8e6f68371ee8aaffae85f25cc426980bfd25f7c68ef5b85560ffea' 
  AND (
    token = 'gk6y7PRHdE+8EjuKELCctSYozoxAnlMcXyJKdaKbweU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )