INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7f51b6fc6c8cac99024c609debc81f825175861a2211d88bcdc5f3a25d538147', 
    'V1kcqWKj7MehhzBDjWa5QC+nOVAeVWn0PRQM48e+tSg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)