UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u5Ln8lhvZrYT11iMSgVsWIA7ut/3Mn9Gx40uUR0lgJ8=' 
WHERE 
  key_id = 'dc66b00520d26785f91fa91cf8771cdc2c2af1050ab4acdfde65d7f1025b83fd' 
  AND (
    token = 'u5Ln8lhvZrYT11iMSgVsWIA7ut/3Mn9Gx40uUR0lgJ8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )