UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zVBaZdNDmvHPLtbe0FPPexLJHjlrfTNd2ne8qtAoTHY=' 
WHERE 
  key_id = '52715ce869954cb8a08042e2d7e71e5b8833fd45a8ef79b8f3eaac689e496478' 
  AND (
    token = 'zVBaZdNDmvHPLtbe0FPPexLJHjlrfTNd2ne8qtAoTHY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )