UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VU9WMxIvu7wFD81Vgm0aS4ifmoGRuekhHzbu1cFYZdg=' 
WHERE 
  key_id = '2c77390256bd29e1d65aa211a7bd648c95f51ee45f007f7c592ecd66a4db0f50' 
  AND (
    token = 'VU9WMxIvu7wFD81Vgm0aS4ifmoGRuekhHzbu1cFYZdg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )