INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f6684f4e921684329cb4e1402fe6c3fc6754ee07aa938056f721f0ee6195d56f', 
    'xQbfUV4WVOtFDJL4A5vrtaklRNHXw8ZVgRG02Le9tlM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)