INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c74598e5bafdb32028f4e1da6814606c150feea0e0bfcb125d22c2ea86a86ee0', 
    '5USuClciLxrQ16yiQ5izY9fOAMp6dLDQRcrhzKjM0uI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)