INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50e68ef4dd64992c34042f36187843a64bf6e91d2de087adf026e3f8493e5881', 
    'zREwRQdzk4drVAbZqsVpwnAMQPRKgsT1iYaA7c5SUWA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)