UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PucM27mYDlIYmVIMpG7VytIYuZIsXcIVV63kdPlFzSY=' 
WHERE 
  key_id = '50dd9f0fa3e5cab4a7b3766bb08a72f20d775ddcaeda6934317699860f9bde78' 
  AND (
    token = 'PucM27mYDlIYmVIMpG7VytIYuZIsXcIVV63kdPlFzSY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )