UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R8HMkHqVmPVDlTbcgK5HMxmx/tClN57xJaMGeMF1H8s=' 
WHERE 
  key_id = '6d6fdaa5413b87264a982b3015ccd06e8b252f7d09b794d234a2dd9935d7a965' 
  AND (
    token = 'R8HMkHqVmPVDlTbcgK5HMxmx/tClN57xJaMGeMF1H8s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )