INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e52c8e7788a10f6d58d2922cfc36584693333b120c45430d3229d1570b7c9878', 
    'RlWsMAqg4P14kKlhzOQEklXcYHY6/5PjLG1figDQcBc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)