UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RSn6VHVJJ9ic6UDL/0JkVIgvghbuNw1TnnAOpfeDx1o=' 
WHERE 
  key_id = '642a9878d11314b9e72ec7d142d2c654d4b001d739d674127682206af82f66a1' 
  AND (
    token = 'RSn6VHVJJ9ic6UDL/0JkVIgvghbuNw1TnnAOpfeDx1o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )