INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '35a78183d10483d4f05f6e6f15a81652982de15e52f252f0b8c8f1e89ce5be21', 
    'kAcMb+EnuKp1KXrDW+ZvrJijJcBzWpWq4rLNjj7Tnuk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)