INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b7ef42f5030b082192b21b18e581f333617641185d8426bce0fc85da43b2689e', 
    'W0gCyjaWl8YFWh8UJ928qI0SFLZxPu9dGfxXp4jk6/Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)