UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C6ZXuziBJiNkYbjGEXMhTXWvTzxsp74xWoqjdqNPiAc=' 
WHERE 
  key_id = '3a50987bb8e083ad3f6f08f3b489de6327da8f0270e102a02e6284660683e160' 
  AND (
    token = 'C6ZXuziBJiNkYbjGEXMhTXWvTzxsp74xWoqjdqNPiAc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )