UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M3ePHPQaBonTzKAZpTILzg9HWTy1jTkGTN3xd+Gwkck=' 
WHERE 
  key_id = '20a1ceee587019e93583805f718db449a4993bd220b0cacd544a910678c2a5a0' 
  AND (
    token = 'M3ePHPQaBonTzKAZpTILzg9HWTy1jTkGTN3xd+Gwkck=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )