INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b3500d386af91950f7b2c1a23c2e7170438e1091b3485244e5b743b505760942', 
    'iaFI74t1Kqc/ExhQpGJdkXF5mfCgvsxhEIK4NZInk3g=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)