INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e7b6b22756bb4b461a8d63c8d2b1792a30deb778b71bd9558ba1ffe6d50d449a', 
    'nhJESv11eLWSXzOeRVNyClIGj72SsgKSsn72WwGR57s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)