INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e7dd67adf25f5736bd909949337ba350c974af6a591c0a8a2a7e0aad1a9f3e20', 
    'xayk+XJxE6HsLDjwtep1GuPENuvn23zaoYRX0/rY278=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)