INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6529828d881f62673e535416ad9e139c6c8e3fc2fe6e678fda3ae3940eeb28df', 
    '+V4QpjgvpeLSuFDQlq2do+QLRSKh+3ra1fguRt8mYNw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)