UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mpMsf+IRdWF0blt+culm6oG0k46DnBxh4mLxPaAu/sk=' 
WHERE 
  key_id = '3d2f1c35e2bebae88b563eb0265b13d800abb518fbde9609419281ecbac442ab' 
  AND (
    token = 'mpMsf+IRdWF0blt+culm6oG0k46DnBxh4mLxPaAu/sk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )