UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'CfRdcx0cniXJl4bvN7P8d+JIIXc4b9oQwzxeeNFl3bw=' 
WHERE 
  key_id = '8b1beef9c2ec58cf392956af45af38f004dfd8e0cfd7debb2b9b70f4db4d10d8' 
  AND (
    token = 'CfRdcx0cniXJl4bvN7P8d+JIIXc4b9oQwzxeeNFl3bw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00019