INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '921ac1499138fec5ff47a0e4736302498a138eb1778d5aeee5e28b5270b1409a', 
    'gsjUYdxCgZT+pSNSyhvYVSPTCZrzeuGJ4OrrpexlMrQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)