INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21aae62ee13e46a80afd18d5dcfccfdeaaefd3f040b934a153615b6decdf80a3', 
    'RNy2MHVEl9q6Xrt2NH1T0ROWh5pGr4pY3yggFXZGYbA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00052

Result

int(1)