INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21dd7d641c5d31674eb31942a36319510a787ab4858c4131de2f9fbb28fe912a', 
    '9r6Ee6dfHv8bmZs1g1Zd2wPiTj3A8NalZ5npVBLLn4A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)