INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1a3ec4ca826bd97dc2f284e367a3e4af7b0f5c2e4cc5fafc3c039f385cf4cbcc', 
    '5vtT3xeuxHzzTFKiCq4YeTXGQV4rKA17gd45G6Oh8C0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)