INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6fd6adab97f3ffb72e82d377efd281f395bab0b98e3baf822b26f883a7b46a25', 
    'O5bzheMxve8RPod2leBULBA+m3Ey1KetFeLHI4iiJpg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)