INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a6537dc392ccb6565cf3aa78c6b3a27cf09a0e9b44b13e215ab64f02698958a8', 
    'Py7tOkGx0j1GsxbfuxAbusqJkYGzZHRm1a/JtvXgnUg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)