UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z+yyH7A7/7ZRilTXacnGOSt27L/fIc8W0Npgd6jSamI=' 
WHERE 
  key_id = '81913d3892dadd0bac4807cc894cc6d67af68a7f47ad97a5dc34d6ac4eb25841' 
  AND (
    token = 'z+yyH7A7/7ZRilTXacnGOSt27L/fIc8W0Npgd6jSamI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )