INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b28640b127b1327be44819bb7ee4a571c6e34edac0eb35812f80542c4dd2e81e', 
    'XcthoQSdqONc/55ayZ57rwDEw7MSKk957K8y/Rsl1As=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)