INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a646b446e57321acfa3e210d6e6a68b90ec74577843583fd944f46f7fffd2458', 
    'e2tkFDF6DsvRoS7z7ix5ur0Knwh0I3Uov3LdR9nE4P0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)