INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '42b2b865dc288f22b143b9e83e7af8f3102f9f351d99e74207c3c735ac69151b', 
    'UhHutFMhbfqS3dzcvgmRiT2MeAUVBY3iBZAwtXUy27I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)