INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a6887e4663b18802aec66a4872187bf7d7ada5018672056aa68d9656773503a5', 
    '0/VxENxmdaqd9c4NbUelZwWfazvhqLdwgxo6ZcguuwU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)