UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z4TqI3bjamgDunYju7FTIMg/Bun3dyNtGVXMD62+vbo=' 
WHERE 
  key_id = 'b81db1da1f687dc0071137b3f2d27dc79e9c75e7462f50e0dcf77e5806d17b0e' 
  AND (
    token = 'z4TqI3bjamgDunYju7FTIMg/Bun3dyNtGVXMD62+vbo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )