UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gQvhkyUXEz9zSHLwZSEYHscO5M3TqGxGN5tk8DUPfoo=' 
WHERE 
  key_id = '1940062be5c5939cb7a02d0354510c17ef0a6cacf91b75f9d963d04bd4d67bc0' 
  AND (
    token = 'gQvhkyUXEz9zSHLwZSEYHscO5M3TqGxGN5tk8DUPfoo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )