UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MM/gzoisHDZAkVxi8YkaCgEfEdntuMZs1Jh4kFDwefo=' 
WHERE 
  key_id = 'a6eff52c5db4139b1553d460bb61fc87fac675edbdeac49ae711c6a315ac7579' 
  AND (
    token = 'MM/gzoisHDZAkVxi8YkaCgEfEdntuMZs1Jh4kFDwefo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )