INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '68d6517c60c4d5177698fb98f5b8eb0f350a5e553bbace0fd9aeea28fb03aaf1', 
    'Z5QVTW1hzS3KoVXeLPmvJS1Exzrd63875PhApOqjNvI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)