INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '521e5807361ce5f9eb5a212f24ee85f60af0aad60e3974d37b866f1645ab5d18', 
    'cnzjCFDhHdcUdk6OnCQaq6FdKVgnchkJvI2nBeMEkcQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00047

Result

int(1)