INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6351d1357970a0a2806ee664e67f64fd400ed1de07254d5d69b437f9c766fb42', 
    '9Evq64jBzzLQgAl87v8imWd8zPofjawHYdtqUutXjTk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00019

Result

int(1)