INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21e7b7778e66a0413b33155a1bad7e1a3be30bee57d06752fbf42ba4e45b0f87', 
    'H76wGxDsriJGpSdn2+pXXvgY75QVv84Ps9B4ZTI5E+w=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)