UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd7xXF4DF8BRl9j/qTEMmWafzvDfCHCZv8RPN8Y/MhEs=' 
WHERE 
  key_id = '18621693a5c5a877c68a717bdbccbd5bc6b6f2912f1f23729df2045266e2526d' 
  AND (
    token = 'd7xXF4DF8BRl9j/qTEMmWafzvDfCHCZv8RPN8Y/MhEs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )