UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DN4LT2wJFnMJXt+sKc5NRtFhtgkeWhYdzcFrt5R8TZE=' 
WHERE 
  key_id = 'd52bddc69f594b4f39cac65795b7594844f236fe2906c23eb8b7fa04903f5439' 
  AND (
    token = 'DN4LT2wJFnMJXt+sKc5NRtFhtgkeWhYdzcFrt5R8TZE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )