INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '24f9bc021901517cf1cec82025751adc9606451779b1735ba690e62a4f58faa4', 
    'D0CqecLikqpt8i5jePiCYJdPeNSFSPAhBK/GMgPiHtU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)