INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2515ac385eaef9d2a72a734b9f07be2aa2675f20e45e17bbef30291311f945af', 
    'VGarNAj1KLx+h3dSPBWjlJHHlZRu1NF0i/Y7C1LLlsM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)