INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ce68993c607ad55358c9ee4ea0bb5e1b5cf215b9c8cdc6340ba4931e72f57a93', 
    'hKrz7JYqi2XonmRKWwp2FiDu07KddzhlWeA71GEAHSE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)