INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8bb20b74a79203589da4f685a062b78f37c57f53009975e8dc616a8a99889cd7', 
    'MXmFtY9ieN4nqufY6L2Po1wa6oODqTMk/Obi28VQF0A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)