INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '608764765232aa7a7858c623fa3223a1e08e472bebd0273662d67dca94a100af', 
    '978pAlCB2zGI4IJlq1/+Ev4S5Wt1rEvA/bbiEtvte7s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)