INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51b676144cd76f78d8c22d49f8e9a5b4339713b121512f28ebed9e2e8b083036', 
    'QhGKTT+RzcT/w1yWScwfhrl3NsKtvav0a4SGCkd0tQk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)