UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'krqa2chj/0/kGm4lZVhRoZqcrXzWbv5z1QobRLLOYyk=' 
WHERE 
  key_id = '5139d68c99071ba422cdf69192f1d4433bc477bdaf47bd9054e9acc63cd123f9' 
  AND (
    token = 'krqa2chj/0/kGm4lZVhRoZqcrXzWbv5z1QobRLLOYyk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )