UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rc6syP+8rYHT3ubygG6b/MxUWKQ31j4hF4zAHItNWWg=' 
WHERE 
  key_id = '28eb4a4d069ac0d1a61193204681774986a9e7186bd3acaf28c4a63c08d54ae4' 
  AND (
    token = 'rc6syP+8rYHT3ubygG6b/MxUWKQ31j4hF4zAHItNWWg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )