INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3899c2b9a0c002490a5f52be27126aad06f2a6f0c9613fd6db439016e19e0547', 
    'ptLLsgPGKc6CoQ4IGFf7VdkibLv+5t6SIQr2UtS2Us0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)