INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6991f84d37383bc8b42bad6096da4941a80a114e42adc324addc2b497bff398c', 
    'CdTd6b3ghktbFGGab7HZpMtQ2bqUL03DW0+CNalwYkg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)