INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '18d2b813615b25cc8a061c3f7c088851b09c8b916c1b59aad856a919c5e4f40d', 
    'upBcekobntJ4HUGjGS1V2b2NPTmkt4TOfyRPRAJ//6w=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)