INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6738c91ff57f549be541fa5f2e4eef4bb65837c5499982049edc18b30f2627d3', 
    'jM+KKSziUvdRgXorwxk40io4iRNAU0VYmMDyM001BNM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)