INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6c055de559c1a18488e7847f4a7bcd5f839d6bba9cd832e7d98aedf73baa537b', 
    '0OuCYxI1AQ28ppOI0qvDJduL7LmaoBCnlZFcMPpxZXM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00054

Result

int(1)