UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iyafXjC09Q2+WnjbTl80XLPnn4/1tzqre7o383NHhsM=' 
WHERE 
  key_id = '54b149e8e8785894575de00942fca9c89f5d47197ee544e64b886f925a75a293' 
  AND (
    token = 'iyafXjC09Q2+WnjbTl80XLPnn4/1tzqre7o383NHhsM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )