UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u4wE1GK4/jaf00NOEVXLJs6Xy8b8zeCimSqP74q2pgk=' 
WHERE 
  key_id = '4caeb9eadf0e4be9b62f7803f7af84ed7b40835f24865428edc0849b3c486011' 
  AND (
    token = 'u4wE1GK4/jaf00NOEVXLJs6Xy8b8zeCimSqP74q2pgk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )