INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b7a9c93a0aa51d5f4462d0238de573e17acd595c9718aede2e85d70c0984abef', 
    'U344Jg2ofcaDEsR6tr1bLIfbZGl3T43VlJqSb3gCog0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)