INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c21b12ebf743d30c3cd1d873cfd5bdee91934309e13a5724717f5fce09561fc7', 
    'z21q1F/4BzuSpdr2j1wB38N6BP1VYu6EmZPp81SBWYk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00055

Result

int(1)