INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b4dce347ee848b40f9c4e80a4fed37146e1f4365cd6f5a312ac4601fe2f6848', 
    'hjDg3xfVfrYOqKUkV7yVMyxcgHuQIGWw7L6Fvb9anCQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)