INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '788a87401b33fff2332221b3852a0c72abac7a61b7e186a8e1b8deb5df4604c8', 
    '4OUoQpNLZnGorMyYKemLTpu///zjgKT4k7o429FGeSc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)