INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51e5315364d331a7f91966386e94fe9861af8ff82a0c772af4a2a4b8370915be', 
    'mws46Mij/FZRljKsMoWjTjxkfxN8JINZO/g8PAksjN0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)