INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '511194b156e1bbdafa675ac214359bccbee2fe59e7ad09bd2a17b37bd7693d5f', 
    'kTKPMgUZRcKV47rmn4SVY7KJjdASulZLeApJRijcaEg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)