UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dmy8Nq3d6EV5/KQntuCHObEGYx9tViPOTv83IqQAohY=' 
WHERE 
  key_id = '815474623a4c62a990d9ad54cda86af3ca36c04c9373ae1ee0ade5a28bdb6170' 
  AND (
    token = 'dmy8Nq3d6EV5/KQntuCHObEGYx9tViPOTv83IqQAohY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )