INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e39d3c487b5a738b83200488ee4ae937b56999879c8677e01998bc0ccf698308', 
    'MIYUArjDvoEfhggtooAkCDcZxnG2TEXHTU3By9NpCiw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00044

Result

int(1)