INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '300f3a6f242c92d94edc9f2480ee3a05a00161b7b5bb34a742cd149589261659', 
    '4J4BUJbp13aHovslBL1T7EacP4zsQUKJYRBodtCFq+U=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)