INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '251ba55346f0366701da243bec30f6dc7ed6ebc4353e2b1fb607d707fbc919fb', 
    '6E6ZY8/UC79vjICMBM9IFaU7Ays3cAc+hXVAAEFxlJk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00078

Result

int(1)