INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4ef3399e36f8693a1dfafce0b822a592b46dc592f33f48f28b01dbaba0b4e472', 
    'EBdtgVKVOG40uRwNuv4ZZAoeeTk0snxrqbQcegdeW70=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00060

Result

int(1)