INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9c4b0b1e8db4e36bf7511c2fac97200d6e459f40bb6b156eab38584222e40feb', 
    '+QelKsamDcZR5rk7DPAKiRiYwyMcVbtBb5KsV0DZhxs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)