INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd7a1841efad7ccf6e1825a711cf2e470cffca0b94bde713f709fea0a486f06e8', 
    'do1WkSv/wzhufxxUAjvYqQ32cOcVHZmQ4IOsSA6rwr0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)