INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'aef7fcc96a475284330db92d933a2a137f8f0af896f90b76987dee28ab51857b', 
    '7y5VHiHnpID0gWJ8o5i6OoLh6XEk8Ra0Fp+ki3JGqUk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)