INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4919e7b731297fef233d1f3959309eaaefe548997fcc7b8233d11fcd9f892850', 
    'W+B46M7PsPOButCRihT56x4veNR3O3huUP4U4dft0TA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)