INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9c6c2461a021ede3404da15c82bed4ddd76ef539b8d5dbbc4207934fdfd861a8', 
    'mkBn89bNGzzGpojPxoYsRYCJ/VxYsyVapIYH4KZbIRE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)