INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a400429a3dfa294cbfa0c30372d7621adfd14d4313599fc889e2ae9c5594b309', 
    'fC8v0Y7lBsMtIJBflNwkPb5sqSw9UqKF2ueumMaQ2qA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)