INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3b8458e12bd3bac22817507f9b53c85862f02edf8e4b6e9ecaaad93565593509', 
    'iR8yEmNdhQhEvq1n7j1GQoJdaF0jJYgN70R37yAqT0M=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)