UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Yiua+QI4E4NgIrC2g8vFT1M/8xDtOA2a8hCJPfg7Wk8=' 
WHERE 
  key_id = '503f75a220e14cb39fa9a65670063bf8fb0bce088cc19174dc4e0cd7aaa0ff5b' 
  AND (
    token = 'Yiua+QI4E4NgIrC2g8vFT1M/8xDtOA2a8hCJPfg7Wk8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )