INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'cb521e4f3fb3e253322213e5b08b33bfb5268d10cef41ba0c1822b5136ee2910', 
    'kR0ACEp1k43so00rM/2P9HfgH8BUJ2QPKWb6dhTQ0uw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)