INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5c83d813c1f792467a470735620ac8aa6ea2e1e8480f1373363760be714deb03', 
    'YNuTiMwTxbIElS9sgumhvgaF+DGBW4ycBNWnTve1jls=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)