INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '840f869fa8423a719b9a9ed927eabb56501e49d479a86bde019fb6a53f599742', 
    '6L515sqcl5OgP+S41YUwtdCS3t3O7b+saEen0JOAPYc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)