INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '834b7399681ce62d1ac666ce71a1d940cad2a4a9ab01460d5a82136d4021fddc', 
    '2nDJma6xOvAMwbV+wiQPcecw2dy2NmzG/cko8qkZ5BQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)