INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a6484b81ac12e55bbc338587be6059a7c0d8aff6989e1b251809f431f18d6687', 
    '/T2VvwyQnBT3TGfLN7XRuHajRjJ98Em1UFQamrHnIz0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)