INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '867ef20d1a7567ccd402624d288166e6edc775f95077d869d5f0eba535ca67fd', 
    '4piafbknx1sznMvtCrwDNXyabxOt5b7ULBNa6hiasc0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)