INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a8373e92d7d7a2718d463bc7b2800b56800aafad98f1981fcc10fcbce1740d52', 
    'B2+kBvZLODCzaSUE5VYuRyXoT6lqaM8MzDpMwsxi7/E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)