INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '76b0e5c29ef3ee0a1a87a99e5bba781f3b7241600c176079eefb73316411a426', 
    'PIsVzp5bSur1oNtSEr89EJvBq2UbeMhBud668BnepHs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00046

Result

int(1)