INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15c9bfbde055632dedb5a987104fee9f6608a235f098128f54feb2545d6e0fb5', 
    '8eL/8PbQ2BzC49AaJ3B08+OeHc+u2FpebL/gGqA13qA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)