UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MzXQQ8wORGjqE8KIUENu6rEjV6V8N9/86p2kD5Kf1lw=' 
WHERE 
  key_id = 'c6d277645e132c4cde37c3fce89c434deeadcb20fe2cb5674d0f3568f2590265' 
  AND (
    token = 'MzXQQ8wORGjqE8KIUENu6rEjV6V8N9/86p2kD5Kf1lw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )