UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MKeBJAZnWT9kdyYoKrwHuwD7TM9Nh7zfqI+b3VrAnlY=' 
WHERE 
  key_id = '9a51f0e616975f100b3b4aa14b0efab67f9f5a203b3c45535d5d55b908cb2d99' 
  AND (
    token = 'MKeBJAZnWT9kdyYoKrwHuwD7TM9Nh7zfqI+b3VrAnlY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )