INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15a99462793bef4239f5cbdc8f703fae214bd9ff71a3180bbb406e931d938553', 
    '99hQNz5nnz+L0i+mOqhqHxl5ijqsiLMm7NnUt4S10Ec=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)