UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TXSEB4DFslYHrMENXXlA5Cqe85Zh4F+JkYVQmfLNybg=' 
WHERE 
  key_id = '50aecfa4d5a3165899362489daafd4ef3d9df82b0081b95d613840f33641e729' 
  AND (
    token = 'TXSEB4DFslYHrMENXXlA5Cqe85Zh4F+JkYVQmfLNybg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )