UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kc6FBVEdL1utVUBvKnS2rvEQWpSQb9/7F0y4ivE38zc=' 
WHERE 
  key_id = '4b72b6b796e5f679c9f936ede80f5444c22b82b8f0fbbfa9c2e5ca751c8d21e4' 
  AND (
    token = 'kc6FBVEdL1utVUBvKnS2rvEQWpSQb9/7F0y4ivE38zc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )