UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M8cDWW4EgcMYy3r1OczFz8zvSKnYdw3GZ4tIq7OekRE=' 
WHERE 
  key_id = '856ddf749765ea78c213ae03fbfe7112bbd517383dbf34b38a2a42c5768b35c6' 
  AND (
    token = 'M8cDWW4EgcMYy3r1OczFz8zvSKnYdw3GZ4tIq7OekRE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )