UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7u53cvbpWDW8fBxRnz4+IqoOPJPj7ncfxiqoXNjdznk=' 
WHERE 
  key_id = '81416983fb05a2c0bdaf7a833df3238c148d8c265e3ad1dab45ddfc659447946' 
  AND (
    token = '7u53cvbpWDW8fBxRnz4+IqoOPJPj7ncfxiqoXNjdznk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )