INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ee3c8619c9032e992b8e4c2eb4b6d1266d6751a836c83161973847544ce1e28f', 
    'T1g2fh3XKyyWHJ2T2pN/0QDOEeeoHvaboAyKZxaBnVY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)