UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'khSc8+siUrxIcPi8iAHZAgd8mZiUHjQ42BKTZpXLtbQ=' 
WHERE 
  key_id = '1c28a4a2d1cde07e03a6d0e1f6734895c13d3a652abf63f9354c02adb5b9b4a6' 
  AND (
    token = 'khSc8+siUrxIcPi8iAHZAgd8mZiUHjQ42BKTZpXLtbQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )