UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TjWLSBi7Uimn3gMEQBU67xSQNMViO/NbQqQjRqRD2to=' 
WHERE 
  key_id = '81cb4d1df4244c03973fdaac4f15a0a5e87fb5db55077ac91ed82bc6e334d1a2' 
  AND (
    token = 'TjWLSBi7Uimn3gMEQBU67xSQNMViO/NbQqQjRqRD2to=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )