INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6947000775cce8f58c03f323841c727a9ee8b3646a79791d287d390f0150160d', 
    '+xtzHzmF8DOD7W+PPemXLkKoisVwIUzTH8Fb66HD52Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)