UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LvuSmw08vbzpNbQLzBNqfPnnFCR3Au3IYJkL1xBP/Rk=' 
WHERE 
  key_id = '15f98c53be17fa37bc94157487031d5f88ef55ce86518cdb601ca862cdfd196e' 
  AND (
    token = 'LvuSmw08vbzpNbQLzBNqfPnnFCR3Au3IYJkL1xBP/Rk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )