UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BLpvL8+gsQl0K8JS1LNnTHgtdeT9ENaNv7XgfyqQOoM=' 
WHERE 
  key_id = '6c20d4e859048567518a78c1ed9623c6f13c07c14621a7ecc65bb15148e8014a' 
  AND (
    token = 'BLpvL8+gsQl0K8JS1LNnTHgtdeT9ENaNv7XgfyqQOoM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )