INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '826a9f4a5f97957177e6d15b47f0daa2a3f3c488aebfbaa68a635dfcee761019', 
    '21xtdLxvXc+fsNXxIvDhTKTZpAaLzlqmtgcrs//aAuw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)