UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a6RnaPa192E8/KVrgBr5O4SSel18oMsO9xBNprrmPdM=' 
WHERE 
  key_id = '9fb4b1815ebd1a0f0c1397969d2cee862ec48af912796bbc8845cfe6401e84c0' 
  AND (
    token = 'a6RnaPa192E8/KVrgBr5O4SSel18oMsO9xBNprrmPdM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )