INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b51275887284517adc0d1f46af0125a1b01ffdcfd2e52b05b760149a0b4d4381', 
    '6Hfso2QuxX3bUYzedurfrZyzIqiuRdyEHmaXpXmRKwo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)