UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L68iSnvp/KEDk9ojqXjg9QvNoplZdYWZnH2l26mFY9o=' 
WHERE 
  key_id = 'f8dcdf8906fd24fde5aa923ae46fd2f91c6787402d386232d400ddff44271b09' 
  AND (
    token = 'L68iSnvp/KEDk9ojqXjg9QvNoplZdYWZnH2l26mFY9o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )