INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c8a2720ba4648b4f3dbeb4e38d9b836858f8fbdbda70a94943396d4a0944f2c5', 
    'NvELTNGwEtrN5l2QF+r6iendU5fwV4YXTMH/0qFWMTc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)