UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N2mMxJmyqIN2b6CRAhztKBK10iKkyr79cq7VpLYqnbg=' 
WHERE 
  key_id = '8186e0637e4c0afb2356462f646c28844bd74a04e78d5413a3a08e17571509a8' 
  AND (
    token = 'N2mMxJmyqIN2b6CRAhztKBK10iKkyr79cq7VpLYqnbg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )