UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MJK1clG3JqLj7kcQNC55Q7lo+8apw95HxjtBezmYmVE=' 
WHERE 
  key_id = '4557197eb495841a23752a7d2f7df6b5f0a85658531d0a367ecba2871c5cae5f' 
  AND (
    token = 'MJK1clG3JqLj7kcQNC55Q7lo+8apw95HxjtBezmYmVE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )