UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3ag2GYF31IIsqW0K6xnD0gPiaPzoUIYh662r37l2elk=' 
WHERE 
  key_id = '831b51313dfeced2bbec224a2d063668a13bc2108545bc20c335be46ae85c773' 
  AND (
    token = '3ag2GYF31IIsqW0K6xnD0gPiaPzoUIYh662r37l2elk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )