INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '16cd21a5fe6d3b65860e2b429669b5086bdf1dd58fe0771743c7d989383c9984', 
    '+z3B0GeC3TxalmjJQIGPjfu4WaU59KRXqVXp08I5as4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00012

Result

int(1)