UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AzLKYZEJ/d5oaav6jPjUb6eJDvt9zJlsAVFGTs80yP0=' 
WHERE 
  key_id = '50c60243a0b285946de054cddd78d570169427e96aca8dea52ddfbe400884d65' 
  AND (
    token = 'AzLKYZEJ/d5oaav6jPjUb6eJDvt9zJlsAVFGTs80yP0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )