INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50408bd82a979fcb16bd24b6580e4c0bd6316b6deee698b040d58aef09e2b1b1', 
    'PLSVjXMIDmmLl6EoPOfYCwp9eeK7HVHE8+Bjibs75C8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)