INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a7fd6b36f842c275a9b82d06760b0e558cf3d4aa605b1ea977dda27bf971dc2b', 
    'dctyccqVVOjqnTGJoV1H+i4YBnE6EEUso11yBFeoTHs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)