INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c7e56c841de09b7d79ed3244e10fa4f3b32c5f7de83d0c779439749f9fe87e3c', 
    'QFnjOENo16YonUmiYe6XwWpdRSUGHV7AgZeEunyqFDo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)