UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n4JlB+4UPr7k2nFSFmIHeJn12gTU7hRDKxP5aFOaTok=' 
WHERE 
  key_id = '49e4b03c40a82f3bdae88374d24afd3bb70da35979df0575f59d0a7009fa1ec3' 
  AND (
    token = 'n4JlB+4UPr7k2nFSFmIHeJn12gTU7hRDKxP5aFOaTok=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )