INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ea7644d952434c3221874b141e685b2a110821dcf9bcc823c30e0f5e80c619b1', 
    'KkD4ekqByYL7FD8v6xDhPEjWXH4Qc0JVY6IgZQ4U+oM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)