UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vjG5NEDlmGAHYRHBwM27Jb4WZH79qUSLm1B4OabdccM=' 
WHERE 
  key_id = '8c42f9e05a836129ff50d0bbe809cc267c77b68b83d86e2398421bd8363e7f1b' 
  AND (
    token = 'vjG5NEDlmGAHYRHBwM27Jb4WZH79qUSLm1B4OabdccM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )