INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21842fb55862c540ab6991caf108f27b3ae3970b90a1fe144c21dc62f8e0a2f8', 
    'Qy5pTfW9VnWkY+NBU3ELDuXFHTNjvmGlXPoCqZ0S26s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00038

Result

int(1)