INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b42003b42e0d801cda365b7a9bf9f76bd26226bd312bc36286384c23e0c3425d', 
    'Ao3a2Pn6oxRmuZaFNSEdG2F72swkhbBfGQ8ceEiPLtg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)