UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iQ//OJOGCtQm0ADgAWAeXbeACIqLwOSv7rDiA9Cs//s=' 
WHERE 
  key_id = '16fcb55143c19620eff68e92841aed645ccfdb69ad5e78bdb7a69960d0f71a75' 
  AND (
    token = 'iQ//OJOGCtQm0ADgAWAeXbeACIqLwOSv7rDiA9Cs//s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )