UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mxKLSsNtWWDfTectzHG77xtT9v235dBKQ0uGDm/fkxY=' 
WHERE 
  key_id = '51e1490b47a40d11fbad2d3eb3a33b8f2a2ef86012be064de3b9b3d5eb4116ac' 
  AND (
    token = 'mxKLSsNtWWDfTectzHG77xtT9v235dBKQ0uGDm/fkxY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )