INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21e4f7b33ea0e2f41d0679cc4d34aff0d8625877ea460525e5b999e81317300c', 
    'CsYVQF2lhl0RWekvByoSKCDbff3GrGGxVFsj78NNn4g=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00081

Result

int(1)