UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z4QMd7Szbeb/l1woI1BTPIxT9fq+wU5tyqiHGnDNNLc=' 
WHERE 
  key_id = '93b67ea7c7af11d6d05395794d7f093759743e981545c8cb293c719cfe69bde8' 
  AND (
    token = 'z4QMd7Szbeb/l1woI1BTPIxT9fq+wU5tyqiHGnDNNLc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )