UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5c/nqdCK+Lb6hX1AOqiOa0Jfo7ZS+3uoHAI2ZeTrZA8=' 
WHERE 
  key_id = '18307afb2d10c54cb58b03f8362422c4ddd2c194794733f52316f3a1b25bf3d2' 
  AND (
    token = '5c/nqdCK+Lb6hX1AOqiOa0Jfo7ZS+3uoHAI2ZeTrZA8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )