INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a6d9a73907a35b95fefd0a1eb7dfeec7898a7129274d9f929609515c0eeac0d0', 
    'zHN545zb65NNWTr3/ZfpcS9VyIM75XyOwSI2KRlfPCw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)