UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PTheLji6IE0fIxO56dPPmXaXnvLzU9yUa6fi+aPSFIY=' 
WHERE 
  key_id = 'e201c4ff14e0e22922223e4353c672da0d963406ea72cdcd2915a26ccb2cf39d' 
  AND (
    token = 'PTheLji6IE0fIxO56dPPmXaXnvLzU9yUa6fi+aPSFIY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )