INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21a1af41dc4ab8a4f58ea82a716cfeeadb13b70499a79e63b50945b20e1f645b', 
    'ld7qZwdvfpJu80xDkx6FDWIwhM/TWQ8GqR3DgeQerqs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)