INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b4c5e21773ae186a9628e5f066f0e1b9eb05d5c39b2e3fcab1ea968095987c4a', 
    'UP9UEyVPWgRytcV0buQ16zZFt8rzubkAF3IGeRYkCV4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)